there are certain balls in the form a pyramid 1st layer has 1
ball ,2nd layer has 3 balls, 3rd layer has 6 balls ,4th layer
has 10 balls and so on. if there are total 8460 balls.how many
layers does tha pyramid has?
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Two lemons cost 10 cents. Then one and a half dozen cost
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Travelling for 9 days. total dist to be covered is 1080 miles. Dist covered per day must be 20 miles then that of previous day. what dist is covered
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8400 ? 120 x 15 + 150 = ? (a) 1050 (b) 1200 (c) 1100 (d) 1514 (e) None of these
Radius of sphere is increased by 50%. By how much percentage is surface area is increased?
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A and B can do a piece of work in 72 days; B and C can do it in 120 days; A dn C can do it in 4 days. Who among these will take the least time if put to do it alone?
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There are 5 burglars and once went to a bakery to rob it obviously The first guy ate 1/2 of the total bread and 1/2 of the bread. The second guy ate 1/2 of the remaining and 1/2 of the bread. The third guy ,fourth guy and fifth guy did the same. After fifth guy there is no bread left out. How many bread are there?
if x=y=2z and xyz =256 then x=