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Mathematics Solved MCQs Online Quiz Test
Q.1: A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is———-?
- 90 cm
- 1 dm
- 1 m
- 1.1 cm
B
Q.2: What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?
- 344.35 cm2
- 344.35 cm2
- 344.35 cm2
- None of these
C
Q.3: A large cube is formed from the material obtained by melting three smaller cubes of 3, 4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?
- 2 : 1
- 3 : 2
- 25 : 18
- 27 : 20
C
Q.4: Surface area of a sphere is 2464 cm2. If its radius is doubled, then the surface area of ———?the new sphere will be
- 4920 cm2
- 4727 cm2
- 9856 cm2
- 19712 cm2
C
Q.5: In a drawer there are 4 white socks, 3 blue socks and 5 grey socks. Two socks are picked randomly. What is the possibility that both the socks are of same color?
- 4/11
- 1
- 2/33
- 19/66
D
Q.6: What is probability of drawing two clubs from a well shuffled pack of 52 cards?
- 13/51
- 1/17
- 1/26
- 13/17
B
Q.7: What are the chances that no two boys are sitting together for a photograph if there are 5 girls and 2 boys?
- 1/21
- 4/7
- 2/7
- 5/7
D
Q.8: A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is———–?
- 1/13
- 2/13
- 1/26
- 1/52
C
Q.9: From a pack of cards two cards are drawn one after the other, with replacement. The probability that the first is a red card and the second is a king is———?
- 1/26
- 3/52
- 15/26
- 11/26
A
Q.10: Out of 10 persons working on a project, 4 are graduates. If 3 are selected, what is the probability that there is at least one graduate among them?
- 1/6
- 5/8
- 3/8
- 5/6
D