Q1. The height of a right prism with a square base is 15 cm. If the total S.A. of prism is 608 cm^2. Find the volume ( in cm cubic) of prism.
(a) 480
(b) 460
(c) 1500
(d) 960
Q2. The base of a right pyramid is a square of side 16 cm long. If its height be 15 cm, then the area of the lateral surface in square cm is:
(a) 136
(b) 544
(c) 800
(d) 1280
Q3. The base of a right prism is a right-angled triangle whose sides are 5 cm, 12 cm and 13 cm. If the total surface area of the prism is 360 cm^2, then its height (in cm) is
(a) 10
(b) 12
(c) 9
(d) 11
Q4. If the base of right prism remains same and the lateral edges are halved, then its volume will be reduced by
(a) 33.33%
(b) 50%
(c) 25%
(d) 66%
Q5. A right prism has a triangular base whose sides are 13 cm, 20 cm and 21 cm, If the altitude of the prism is 9 cm, then its volume is
(a) 1143 cm^3
(b) 1314 cm^3
(c) 1413 cm^3
(d) 1134 cm^3
Q6. Find the Remainder when 777777……… 363 times is divided by 11
(a) 0
(b) 7
(c) 1
(d) 3
Q7. Find the Remainder when 1! + 2! + 3! + 4! …… 50! is divided by 12 is
(a) 2
(b) 8
(c) 7
(d) 9
Q8. The distance between two stations, Delhi and Amritsar, is 450 km. A train starts at 4 p.m. from Delhi and moves towards Amritsar at an average speed of 60 km/hr. Another train starts from Amritsar at 3.20 p.m. and moves towards Delhi at an average speed of 80 km/hr. At what time will the both trains meet?
(a) 5.30 p.m.
(b) 5.50 a.m.
(c) 6.50 p.m.
(d) 6.30 a.m.
Q9. A, B, C along completed a piece of work in 30, 50 and 40 days. The ratio of the salary of each day is 4 : 3 : 2 respectively. If the total income of A is Rs. 144. Find total income of B.
(a) Rs. 180
(b) Rs. 185
(c) Rs. 190
(d) Rs. 195
Q10. A sum of Rs. 3115 is divided among A, B and C such that if Rs. 25, Rs. 28 and Rs. 52 be diminished from their shares respectively, the remainder shares shall be in the ratio of 8 : 15 : 20. Find the share of each.
(a) Rs. 585, Rs. 1078, Rs. 1452
(b) Rs. 685, Rs. 1178, Rs. 1252
(c) Rs. 485, Rs. 1088, Rs.1352
(d) Rs. 785, Rs. 1378, Rs. 1652
Solutions
1.D
2.B
3.A
4.B
5.D
6.B
7.D
8.C
9.A
10.A
