Mathematics Questions & Answers for Competitive Exams

2151. O is the centre and the arc PQR subtends an angle of 240° at O. PQ is extended to A. Then ∠AQR is:

(A) 180°
(B) 60°
(C) 240°
(D) 120°

2152. In a group of 250 persons, 40% are males and 60% are females. If 30 more females join the group, then what will be the percentage of females in the new group? (Correct to 2 decimal places)

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

2153. The areas of two similar triangles ΔPQR and ΔXYZ are 12.96 cm2 and 635.04 cm2, respectively. If QR = 2.9 cm, then the length (in cm) of YZ equals:

(A) 30.4
(B) 20.3
(C) 23.2
(D) 25.2

2154. The perimeter of a minor sector of a circle of radius 4 units subtending an angle of 45° is:

(A) 4 − π units
(B) 8 − π units
(C) 8 + π units
(D) 4 + π units

2155. How many numbers lie between 2000 and 2020 that are divisible by 8?

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

2156. During the first year the population of a village increased by 5% and during the second year it diminished by 5%. At the end of the second year its population was 47,880. What was the population at the beginning of the first year?

(A) 45000
(B) 48000
(C) 43500
(D) 53000

2157. A boat can travel 60km downstream in 4 hours. If the speed of the boat in still water is 13 km/h, then in what time will it cover 30 km upstream?

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

2158. In ΔABC,XY is drawn parallel to BC, cutting sides at X and Y, where AB = 5.4 cm ,BC = 7.2 cm and BX = 3 cm. What is the length of XY (in cm)?

(A) 4.3
(B) 3.0
(C) 3.2
(D) 2.8

2159. The ratio of a father’s age to his son’s age is 7 : 4. The product of the numbers representing their ages is 1372. The ratio of their ages after 8 years will be:

(A) 19 : 11
(B) 19 : 12
(C) 19 : 13
(D) 19 : 14

2160. Two circles of radius 7 units each, intersect in such a way that the common chord is of length 7 units. What is the common area in square units of the intersection?

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

Total Quizz:- 2541

Mathematics

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2151. O is the centre and the arc PQR subtends an angle of 240° at O. PQ is extended to A. Then ∠AQR is:

2152. In a group of 250 persons, 40% are males and 60% are females. If 30 more females join the group, then what will be the percentage of females in the new group? (Correct to 2 decimal places)

2153. The areas of two similar triangles ΔPQR and ΔXYZ are 12.96 cm2 and 635.04 cm2, respectively. If QR = 2.9 cm, then the length (in cm) of YZ equals:

2154. The perimeter of a minor sector of a circle of radius 4 units subtending an angle of 45° is:

2155. How many numbers lie between 2000 and 2020 that are divisible by 8?

2156. During the first year the population of a village increased by 5% and during the second year it diminished by 5%. At the end of the second year its population was 47,880. What was the population at the beginning of the first year?

2157. A boat can travel 60km downstream in 4 hours. If the speed of the boat in still water is 13 km/h, then in what time will it cover 30 km upstream?

2158. In ΔABC,XY is drawn parallel to BC, cutting sides at X and Y, where AB = 5.4 cm ,BC = 7.2 cm and BX = 3 cm. What is the length of XY (in cm)?

2159. The ratio of a father’s age to his son’s age is 7 : 4. The product of the numbers representing their ages is 1372. The ratio of their ages after 8 years will be:

2160. Two circles of radius 7 units each, intersect in such a way that the common chord is of length 7 units. What is the common area in square units of the intersection?

Total Quizz:- 2541

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2151. O is the centre and the arc PQR subtends an angle of 240° at O. PQ is extended to A. Then ∠AQR is:

2152. In a group of 250 persons, 40% are males and 60% are females. If 30 more females join the group, then what will be the percentage of females in the new group? (Correct to 2 decimal places)

2153. The areas of two similar triangles ΔPQR and ΔXYZ are 12.96 cm2 and 635.04 cm2, respectively. If QR = 2.9 cm, then the length (in cm) of YZ equals:

2154. The perimeter of a minor sector of a circle of radius 4 units subtending an angle of 45° is:

2155. How many numbers lie between 2000 and 2020 that are divisible by 8?

2156. During the first year the population of a village increased by 5% and during the second year it diminished by 5%. At the end of the second year its population was 47,880. What was the population at the beginning of the first year?

2157. A boat can travel 60km downstream in 4 hours. If the speed of the boat in still water is 13 km/h, then in what time will it cover 30 km upstream?

2158. In ΔABC,XY is drawn parallel to BC, cutting sides at X and Y, where AB = 5.4 cm ,BC = 7.2 cm and BX = 3 cm. What is the length of XY (in cm)?

2159. The ratio of a father’s age to his son’s age is 7 : 4. The product of the numbers representing their ages is 1372. The ratio of their ages after 8 years will be:

2160. Two circles of radius 7 units each, intersect in such a way that the common chord is of length 7 units. What is the common area in square units of the intersection?

Total Quizz:- 2541

Mathematics

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams