15 Men take 21 days of 8 hrs. each to do a piece of work. How many days of 6 hrs. each would do if 21 women take. If 3 women do as much work of 2 men.
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A building with hight D ft shadow upto G A neighbour building with what height shadow C ft is?
An important harbor city in the 14th century, it was repositioned in an effort to maintain its viability, a viability that remains to this day.
If each of the numbers A, B and C are divisible by 2, then A*B*C must be divisible by
19.) When two unbiased dice are tossed simultaneously, the numbers that appear on the top surface of the two dice are a and b.What is the probability that a^b is a perfect square? (a^b=a to the power of b) a)1/3 b)2/3 c)23/36 d)11/18 ans: 20.) When two unbiased dice are tossed simultaneously, the numbers that appear on the top surface of the two dice are a and b.What is the probability that (a × b) is a perfect square? a)5/36 b) 2/9 c) 7/36 d) 1/6
1,4,13,31,112,?
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There are 6 pairs of black socks and 6 pairs of white socks. What is the probability to pick a pair of black or white socks when 2 socks are selected randomly in darkness.
(165)2-(164)2=
Can you find out what day of the week was January 12, 1979?
A car covers a certain distance taking 7 hours in forward journey. During the return journey, speed was increased by 12 kmph and it takes 5 hours. What is total distance covered? (a) 210 km (b) 70 km (c) 440 km (d) 220 km (e) None of these