M4maths Maths Puzzle Category

A student got 425 marks out of 500 in an examination. Subject were Hindi, English, Physics, Chemistry and Mathematics. His marks in Hindi and English were ranging from 80 to 85. (80 and 85 are also included). Marks in Chemistry, Physics and Mathematics were ranging from 75 to 80, 85 to 90 and 90 to 95 (including the given number) respectively. His marks in Hindi And Chemistry were same, whereas marks in English were same as marks in Physics. His marks in Mathematics were

Read Solution (Total 3)

M4maths Other Question

10 FEB 2015 : Distance and Speed
A car starts from rest and accelerates uniform upto speed 90 km/hrs in 5 sec. Total distance covered by car in this time will be

OPTION 1) 50
2) 52.5
3) 55
4) 57.5
5) 60
6) 62.5
7) 65
8) 67.5
9) 70
10)72.5
Three cards are drawn at random from a pack of 52 cards. Find the probability that one of the cards drawn is an ace, one is a jack & one is queen

a. 3/52
b. 3 4C1 / 52C3
c. 4 C1 / 52 C3
d. (4 C1) 3 / 52 C3