Reasoning & Mental Ability — practice questions, page 4
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Nine coins look exactly alike, but one of them is slightly heavier than the other eight, which all…A water plant growing on a pond doubles the area it covers every day, and on the 30th day it…A carpenter takes 6 minutes to saw a log into 3 equal pieces. Working at the same speed, how long…Identical small triangles are used to build up a big triangle. The top row holds 1 small triangle,…Four cards lie on a table. Every card has a letter printed on one face and a number on the other.…A large cube of soap is dipped in blue dye so that its whole surface turns blue. It is then…Three of these four numbers share a factor that the fourth one does not: 49, 63, 77, 87. Which is…At 9:30 the two hands of a correct clock divide the whole turn into a smaller angle and a larger…A boy is facing north-east. He turns 135° clockwise, then turns 180° anticlockwise, and finally…The six faces of a cube are painted in six different colours: red, blue, green, yellow, white and…The three rows of a grid follow one and the same rule. Row 1 reads 4, 7, 17. Row 2 reads 6, 5, 19.…A prize lies inside exactly one of three closed boxes. Box A is marked 'The prize is not in this…26 January 2024 fell on a Friday. On which day of the week did 26 January 2028 fall?A snail at the foot of a pole 10 metres high climbs 3 metres during each day and slips back 2…Among 100 students, 55 like cricket, 45 like hockey and 40 like tennis. 20 like both cricket and…Four letters are printed in plain block capitals: B, X, M and E. Which one of them looks exactly…Twenty-one pebbles lie in a heap. Two players take turns, and a player must take 1, 2 or 3 pebbles…A board is ruled into a 3 by 3 arrangement of nine identical cells. Counting figures of every…A shopkeeper owns just four weights and a two-pan balance. Weights may be placed in either pan, so…These three statements are all true: 9 × 9 + 7 = 88, 98 × 9 + 6 = 888 and 987 × 9 + 5 = 8888.…A bat and a ball cost ₹110 altogether. The bat costs ₹100 more than the ball. What does the ball…You are asked to find the area of a rectangle and are given two facts. Fact I: its perimeter is 30…A three-digit number reads the same forwards and backwards. Its three digits add up to 12, and its…A wooden block shaped like a cube is painted on its four upright side faces only — the top and the…Complete the analogy: Chapter : Book :: Scene : ?
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