A = 11 * 22 * 33 * 44 * 55 * ……..1010. How many zeroes will be there at the end of A ?
If x = 3 + 31/2, then what is the value of x2 + 9/x2 ? |
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If x4 + 1/x4 = 47, then find the value of x3 + 1/x3 |
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The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is: |
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Two dice are thrown simultaneously. What is the probability of getting two numbers whose product is even ? |
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In a box, there are 8 red, 7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither blue nor green? |
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A card is drawn from a pack of 52 cards. The probability of getting a queen of club or a king of heart is |
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A speaks truth in 75% of cases and B in 80% of cases. In what percentage of cases are they likely to contradict each other, narrating the same incident |
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From a pack of 52 cards, two cards are drawn together, what is the probability that both the cards are kings |
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Bag contain 10 back and 20 white balls, One ball is drawn at random. What is the probability that ball is white |
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There is a pack of 52 cards and Rohan draws two cards together, what is the probability that one is spade and one is heart ? |
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