Mathematics Questions & Answers for Competitive Exams

511. If 3c2933k is divisible by both 5 and 11, where c and k are single digit natural numbers, then c + k = ______.

(A) 7
(B) 8
(C) 6
(D) 5

512. The population of a town first decreased by 16% due to migration to a big city for better job opportunities. The next year, the population of the town increased by 21% as there were better facilities for jobs. What is the net percentage change (correct to 2 decimal places) in the population?

(A) Decrease by 2.54%
(B) Increase by 2.54%
(C) Increase by 1.64%
(D) Decrease by 1.64%

513. Monthly salary of Jitvik in the month of December 2020 was ₹24,800. Every year his salary increases by 5% from the month of January. What was his salary (in ₹) in the month of February 2022?

(A) 27342
(B) 26485
(C) 27486
(D) 27180

514. The distance between the centres of two circles of radii 7 cm and 5 cm is 15 cm. Find the length of the transverse common tangent to these circles.

(A) 7 cm
(B) 13 cm
(C) 11 cm
(D) 9 cm

515. If tan A = a tan B and sin A = b sin B, then the value of cos2A is:

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

516. 3 solid spheres of diameters 6 cm, 8 cm and 10 cm are melted together to form a single solid sphere. Find its radius.

(A) 12 cm
(B) 9 cm
(C) 3 cm
(D) 6 cm

517. What is the smallest number that must be added to 19487161 so that it is divisible by 11?

(A) 11
(B) 5
(C) 16
(D) 10

518. If the income of Neha is 5% more than that of Monica, then the income of Monica is what percentage less than that of Neha?

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

519. In a triangle ABC, AB = AC. BC is extended to D such that CD = AB and the angle ADC is 30°. What are the angles of triangle ABC?

(A) 30°, 60°, 90°
(B) 50°, 60°, 70°
(C) 60°, 60°, 60°
(D) 45°, 60°, 75°

520. Two parallel chords of length 5 units and 8 units are on opposite sides of the center of a circle of radius 7 units. What is the distance between the chords? (round your answer to two decimal places)

(A) 11.82 units
(B) 12.28 units
(C) 11.28 units
(D) 12.82 units

Total Quizz:- 2541

Mathematics

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511. If 3c2933k is divisible by both 5 and 11, where c and k are single digit natural numbers, then c + k = ______.

512. The population of a town first decreased by 16% due to migration to a big city for better job opportunities. The next year, the population of the town increased by 21% as there were better facilities for jobs. What is the net percentage change (correct to 2 decimal places) in the population?

513. Monthly salary of Jitvik in the month of December 2020 was ₹24,800. Every year his salary increases by 5% from the month of January. What was his salary (in ₹) in the month of February 2022?

514. The distance between the centres of two circles of radii 7 cm and 5 cm is 15 cm. Find the length of the transverse common tangent to these circles.

515. If tan A = a tan B and sin A = b sin B, then the value of cos2A is:

516. 3 solid spheres of diameters 6 cm, 8 cm and 10 cm are melted together to form a single solid sphere. Find its radius.

517. What is the smallest number that must be added to 19487161 so that it is divisible by 11?

518. If the income of Neha is 5% more than that of Monica, then the income of Monica is what percentage less than that of Neha?

519. In a triangle ABC, AB = AC. BC is extended to D such that CD = AB and the angle ADC is 30°. What are the angles of triangle ABC?

520. Two parallel chords of length 5 units and 8 units are on opposite sides of the center of a circle of radius 7 units. What is the distance between the chords? (round your answer to two decimal places)

Total Quizz:- 2541

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511. If 3c2933k is divisible by both 5 and 11, where c and k are single digit natural numbers, then c + k = ______.

512. The population of a town first decreased by 16% due to migration to a big city for better job opportunities. The next year, the population of the town increased by 21% as there were better facilities for jobs. What is the net percentage change (correct to 2 decimal places) in the population?

513. Monthly salary of Jitvik in the month of December 2020 was ₹24,800. Every year his salary increases by 5% from the month of January. What was his salary (in ₹) in the month of February 2022?

514. The distance between the centres of two circles of radii 7 cm and 5 cm is 15 cm. Find the length of the transverse common tangent to these circles.

515. If tan A = a tan B and sin A = b sin B, then the value of cos2A is:

516. 3 solid spheres of diameters 6 cm, 8 cm and 10 cm are melted together to form a single solid sphere. Find its radius.

517. What is the smallest number that must be added to 19487161 so that it is divisible by 11?

518. If the income of Neha is 5% more than that of Monica, then the income of Monica is what percentage less than that of Neha?

519. In a triangle ABC, AB = AC. BC is extended to D such that CD = AB and the angle ADC is 30°. What are the angles of triangle ABC?

520. Two parallel chords of length 5 units and 8 units are on opposite sides of the center of a circle of radius 7 units. What is the distance between the chords? (round your answer to two decimal places)

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

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Subjects

Exams