Mathematics Questions & Answers for Competitive Exams

391. Two numbers are, respectively, 30% and 60% more than a third number. The ratio of the two numbers is:

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

392. A covered wooden box has the inner measures as 128 cm, 90 cm, 25 cm and the thickness of wood is 5.5 cm. Find the volume of the wood.

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

393. In an election between two candidates, 10% of the voters did not cast their votes and 5% of the votes polled were found invalid. The successful candidate got 52.5% of the valid votes and won by a majority of 1710 votes. The number of voters enrolled on the voters list was:

(A) 36000
(B) 40000
(C) 42000
(D) 48000

394. A bigger circle centre at O and a smaller circle centre at P touch each other externally such that the length of their common tangent LM is 12 cm. If the radius of the bigger circle is 18 cm, then what will be the radius (in cm) of the smaller circle?

(A) 4
(B) 3
(C) 2
(D) 1

395. Find the length of the sides of a triangle, if its angles are in the ratio 2 : 4 : 6 and its circumradius is 12 cm.

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

396. A cylinder has a curved surface area equal to 350% of the curved surface area of another cylinder. If their radii are in the ratio 3 : 1, then the volume of the smaller cylinder is approximately _____% of the larger cylinder (the smaller cylinder has its radius and height smaller when compared to the larger).

(A) 9.52
(B) 8.86
(C) 7.28
(D) 10.16

397. If lateral surface area of a cube is 144 cm2, then find its volume.

(A) 216 cm3
(B) 117.58 cm3
(C) 1728 cm3
(D) 864 cm3

398. A natural number n divides 732 and leaves 12 as a remainder. How many values of n are possible?

(A) 18
(B) 20
(C) 16
(D) 22

399. If 6428A83 is divisible by 9, then the value of A is equal to :

(A) 6
(B) 7
(C) 5
(D) 3

400. In how much time (in years) will ₹7,200 amount to ₹8,928 at simple interest at the rate of 8% per annum?

(A) 3
(B) 2
(C) 5
(D) 4

Total Quizz:- 2541

Mathematics

Mathematics is a core subject in many competitive exams, and proficiency in this area is essential for solving quantitative problems efficiently. Online Sarkari Exam provides a wide range of resources to help you master mathematical concepts and techniques. Our materials include step-by-step solutions, practice problems, and interactive tutorials covering topics such as algebra, arithmetic, geometry, and statistics.

We focus on problem-solving strategies and shortcuts that can help you tackle complex questions quickly. Our practice tests are designed to simulate actual exam conditions, allowing you to gauge your proficiency and improve your speed and accuracy.

391. Two numbers are, respectively, 30% and 60% more than a third number. The ratio of the two numbers is:

392. A covered wooden box has the inner measures as 128 cm, 90 cm, 25 cm and the thickness of wood is 5.5 cm. Find the volume of the wood.

393. In an election between two candidates, 10% of the voters did not cast their votes and 5% of the votes polled were found invalid. The successful candidate got 52.5% of the valid votes and won by a majority of 1710 votes. The number of voters enrolled on the voters list was:

394. A bigger circle centre at O and a smaller circle centre at P touch each other externally such that the length of their common tangent LM is 12 cm. If the radius of the bigger circle is 18 cm, then what will be the radius (in cm) of the smaller circle?

395. Find the length of the sides of a triangle, if its angles are in the ratio 2 : 4 : 6 and its circumradius is 12 cm.

397. If lateral surface area of a cube is 144 cm2, then find its volume.

398. A natural number n divides 732 and leaves 12 as a remainder. How many values of n are possible?

399. If 6428A83 is divisible by 9, then the value of A is equal to :

400. In how much time (in years) will ₹7,200 amount to ₹8,928 at simple interest at the rate of 8% per annum?

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams

Mathematics

Home / Subject / Mathematics

391. Two numbers are, respectively, 30% and 60% more than a third number. The ratio of the two numbers is:

392. A covered wooden box has the inner measures as 128 cm, 90 cm, 25 cm and the thickness of wood is 5.5 cm. Find the volume of the wood.

393. In an election between two candidates, 10% of the voters did not cast their votes and 5% of the votes polled were found invalid. The successful candidate got 52.5% of the valid votes and won by a majority of 1710 votes. The number of voters enrolled on the voters list was:

394. A bigger circle centre at O and a smaller circle centre at P touch each other externally such that the length of their common tangent LM is 12 cm. If the radius of the bigger circle is 18 cm, then what will be the radius (in cm) of the smaller circle?

395. Find the length of the sides of a triangle, if its angles are in the ratio 2 : 4 : 6 and its circumradius is 12 cm.

397. If lateral surface area of a cube is 144 cm2, then find its volume.

398. A natural number n divides 732 and leaves 12 as a remainder. How many values of n are possible?

399. If 6428A83 is divisible by 9, then the value of A is equal to :

400. In how much time (in years) will ₹7,200 amount to ₹8,928 at simple interest at the rate of 8% per annum?

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams