Mathematics Questions & Answers for Competitive Exams

1271. From a circle of radius r units, the largest equilateral triangle is cut out. What is the length (in units) of the side of the triangle?

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

1272. By what percentage should a racer increase the speed to reduce the time by 25% to cover a fixed distance?

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

1273. The population of a village was 4,00,000. It increased by 20% in the first year and increased by 30% in the second year. Its population after two years is _______.

(A) 6,25,000
(B) 6,24,000
(C) 5,40,000
(D) 5,20,000

1274. A laptop charger is sold for Rs.2,540 in cash or for a down payment of Rs.1,340 in cash together with Rs.1,205 to be paid after one month. Find the rate of interest charged in the instalment scheme.

(A) 20% p.a.
(B) 10% p.a.
(C) 5% p.a.
(D) 15% p.a.

1275. Find the altitude (in cm) from the vertex Q to side PR of triangle PQR with side lengths PQ = 40 cm, PR = 40 cm and QR = 60 cm.

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

1276. PQR is a triangle. MN is a line segment intersecting PQ in M and PR in N such that MN ∥ QR and divides ΔPQR into two parts, which are equal in area. What is the ratio of MQ to PQ?

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

1277. The following line graph shows the units manufactured by a company in some months. In which month did the company report the highest growth (in %) in production as compared with the respective previous month’s production?

(A) July
(B) October
(C) June
(D) September

1278. A solid metallic sphere of radius 6 cm is melted and recast into spherical balls of radius 3 cm. The number of spherical balls thus obtained is:

(A) 6
(B) 10
(C) 4
(D) 8

1279. The ratio of red to green sweets in a bag is 3 : 4. How many red sweets are there in the bag if the number of green sweets is 120?

(A) 100
(B) 80
(C) 70
(D) 90

1280. PBA and PDC are two secants. AD is the diameter of the circle with the centre at O. ∠A = 30°, ∠P = 20°. Find the measure of ∠DBC.

(A) 50°
(B) 30°
(C) 45°
(D) 40°

Total Quizz:- 2541

Mathematics

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1271. From a circle of radius r units, the largest equilateral triangle is cut out. What is the length (in units) of the side of the triangle?

1272. By what percentage should a racer increase the speed to reduce the time by 25% to cover a fixed distance?

1273. The population of a village was 4,00,000. It increased by 20% in the first year and increased by 30% in the second year. Its population after two years is _______.

1274. A laptop charger is sold for Rs.2,540 in cash or for a down payment of Rs.1,340 in cash together with Rs.1,205 to be paid after one month. Find the rate of interest charged in the instalment scheme.

1275. Find the altitude (in cm) from the vertex Q to side PR of triangle PQR with side lengths PQ = 40 cm, PR = 40 cm and QR = 60 cm.

1276. PQR is a triangle. MN is a line segment intersecting PQ in M and PR in N such that MN ∥ QR and divides ΔPQR into two parts, which are equal in area. What is the ratio of MQ to PQ?

1277. The following line graph shows the units manufactured by a company in some months. In which month did the company report the highest growth (in %) in production as compared with the respective previous month’s production?

1278. A solid metallic sphere of radius 6 cm is melted and recast into spherical balls of radius 3 cm. The number of spherical balls thus obtained is:

1279. The ratio of red to green sweets in a bag is 3 : 4. How many red sweets are there in the bag if the number of green sweets is 120?

1280. PBA and PDC are two secants. AD is the diameter of the circle with the centre at O. ∠A = 30°, ∠P = 20°. Find the measure of ∠DBC.

Total Quizz:- 2541

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1271. From a circle of radius r units, the largest equilateral triangle is cut out. What is the length (in units) of the side of the triangle?

1272. By what percentage should a racer increase the speed to reduce the time by 25% to cover a fixed distance?

1273. The population of a village was 4,00,000. It increased by 20% in the first year and increased by 30% in the second year. Its population after two years is _______.

1274. A laptop charger is sold for Rs.2,540 in cash or for a down payment of Rs.1,340 in cash together with Rs.1,205 to be paid after one month. Find the rate of interest charged in the instalment scheme.

1275. Find the altitude (in cm) from the vertex Q to side PR of triangle PQR with side lengths PQ = 40 cm, PR = 40 cm and QR = 60 cm.

1276. PQR is a triangle. MN is a line segment intersecting PQ in M and PR in N such that MN ∥ QR and divides ΔPQR into two parts, which are equal in area. What is the ratio of MQ to PQ?

1277. The following line graph shows the units manufactured by a company in some months. In which month did the company report the highest growth (in %) in production as compared with the respective previous month’s production?

1278. A solid metallic sphere of radius 6 cm is melted and recast into spherical balls of radius 3 cm. The number of spherical balls thus obtained is:

1279. The ratio of red to green sweets in a bag is 3 : 4. How many red sweets are there in the bag if the number of green sweets is 120?

1280. PBA and PDC are two secants. AD is the diameter of the circle with the centre at O. ∠A = 30°, ∠P = 20°. Find the measure of ∠DBC.

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

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