Mathematics Questions & Answers for Competitive Exams

521. A shopkeeper buys 1800 kg wheat for ₹32,400. If 20% of this wheat is spoiled due to rain, at what rate (₹/kg) should he sell the rest to earn 20%?

(A) 29
(B) 26
(C) 25
(D) 27

522. In a circle, O is the centre and AOB is the diameter. AT is a tangent to the circle. Line TB intersects the circle at Q. Given that ∠AOQ = 94°, find ∠ATQ.

(A) 86°
(B) 43°
(C) 47°
(D) 133°

523. An amount of ₹8,000 was invested for 2 years, partly in scheme 1 at the rate of 5% simple interest per annum and the rest in scheme 2 at the rate of 4% simple interest per annum. The total interest received at the end was ₹720. The amount of money invested in scheme 1 is:

(A) ₹3,640
(B) ₹7,200
(C) ₹4,400
(D) ₹4,000

524. If the price of tea is increased by 40%, by how what percentage must the consumption of tea be decreased so as not to increase the expenditure?

(A)
(B)
(C)
(D)

525. The following bar graph represents the production of three types of buses by a company over the years (in thousands). In which of the following years was the percentage production of B type buses to C type buses, the maximum?

(A) 2015
(B) 2013
(C) 2016
(D) 2014

526. For what positive values of k do the following pair of linear equations have infinitely many solutions? kx + 3y – ( k – 3 ) = 0 12x + ky – k = 0

(A) 6
(B) 2
(C) 12
(D) 4

527. From a circle, a sector with a central angle of 30° is cut off. If the length of the arc of this sector is 5.5 cm, then find the radius (in cm) of the circle.

(A) 12
(B) 10
(C) 10.5
(D) 11

528. The ratio of the lateral surface area to the total surface area of a cylinder with base diameter 60cm and height 10 cm is:

(A) 1:9
(B) 1:7
(C) 1:4
(D) 1:3

529. Rahna decided to buy a scooty that costs ₹40,000. The shopkeeper agreed to sell the scooty under the condition of ₹25,000 cash down payment of ₹4,000 each month for four months. Find the rate of interest at which the shopkeeper sold the scooty under the instalment scheme.

(A)
(B)
(C)
(D)

530. The given line graph shows the number of scooters manufactured (in thousands) by companies X and Z, over the years. In which of the following years was the difference between the production by companies X and Z the maximum among the given years?

(A) 2018
(B) 2017
(C) 2020
(D) 2019

Total Quizz:- 2541

Mathematics

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521. A shopkeeper buys 1800 kg wheat for ₹32,400. If 20% of this wheat is spoiled due to rain, at what rate (₹/kg) should he sell the rest to earn 20%?

522. In a circle, O is the centre and AOB is the diameter. AT is a tangent to the circle. Line TB intersects the circle at Q. Given that ∠AOQ = 94°, find ∠ATQ.

523. An amount of ₹8,000 was invested for 2 years, partly in scheme 1 at the rate of 5% simple interest per annum and the rest in scheme 2 at the rate of 4% simple interest per annum. The total interest received at the end was ₹720. The amount of money invested in scheme 1 is:

524. If the price of tea is increased by 40%, by how what percentage must the consumption of tea be decreased so as not to increase the expenditure?

525. The following bar graph represents the production of three types of buses by a company over the years (in thousands). In which of the following years was the percentage production of B type buses to C type buses, the maximum?

526. For what positive values of k do the following pair of linear equations have infinitely many solutions? kx + 3y – ( k – 3 ) = 0 12x + ky – k = 0

527. From a circle, a sector with a central angle of 30° is cut off. If the length of the arc of this sector is 5.5 cm, then find the radius (in cm) of the circle.

528. The ratio of the lateral surface area to the total surface area of a cylinder with base diameter 60cm and height 10 cm is:

529. Rahna decided to buy a scooty that costs ₹40,000. The shopkeeper agreed to sell the scooty under the condition of ₹25,000 cash down payment of ₹4,000 each month for four months. Find the rate of interest at which the shopkeeper sold the scooty under the instalment scheme.

530. The given line graph shows the number of scooters manufactured (in thousands) by companies X and Z, over the years. In which of the following years was the difference between the production by companies X and Z the maximum among the given years?

Total Quizz:- 2541

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521. A shopkeeper buys 1800 kg wheat for ₹32,400. If 20% of this wheat is spoiled due to rain, at what rate (₹/kg) should he sell the rest to earn 20%?

522. In a circle, O is the centre and AOB is the diameter. AT is a tangent to the circle. Line TB intersects the circle at Q. Given that ∠AOQ = 94°, find ∠ATQ.

523. An amount of ₹8,000 was invested for 2 years, partly in scheme 1 at the rate of 5% simple interest per annum and the rest in scheme 2 at the rate of 4% simple interest per annum. The total interest received at the end was ₹720. The amount of money invested in scheme 1 is:

524. If the price of tea is increased by 40%, by how what percentage must the consumption of tea be decreased so as not to increase the expenditure?

525. The following bar graph represents the production of three types of buses by a company over the years (in thousands). In which of the following years was the percentage production of B type buses to C type buses, the maximum?

526. For what positive values of k do the following pair of linear equations have infinitely many solutions? kx + 3y – ( k – 3 ) = 0 12x + ky – k = 0

527. From a circle, a sector with a central angle of 30° is cut off. If the length of the arc of this sector is 5.5 cm, then find the radius (in cm) of the circle.

528. The ratio of the lateral surface area to the total surface area of a cylinder with base diameter 60cm and height 10 cm is:

529. Rahna decided to buy a scooty that costs ₹40,000. The shopkeeper agreed to sell the scooty under the condition of ₹25,000 cash down payment of ₹4,000 each month for four months. Find the rate of interest at which the shopkeeper sold the scooty under the instalment scheme.

530. The given line graph shows the number of scooters manufactured (in thousands) by companies X and Z, over the years. In which of the following years was the difference between the production by companies X and Z the maximum among the given years?

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams