Answer Posted / joel

obvious

e^(i*pi) + 1 = 0

A cylinder is 6 cms in diameter and 6 cms in height. If spheres of the same size are made from the material obtained, what is the diameter of each sphere?

1354

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A man drives at a speed of 40 miles/hr while his friend drives at a speed of 50 miles/hr. If the friend leaves 30 minutes after the man, when are they going to meet?

1222

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Four circles are drawn from the corners of a square of area 49 cm2. Find the area of 4 circles outside the square (they didn't mention that circles have radius=1/2 side of a square)?

1245

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If the % of defective balls is 10% balls,and the number of defective balls is 5.The number of balls is

1625

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The ratio for Boys to Girls is 6:4. 60% of the boys and 40% of girls take lunch in the canteen. What % of class takes lunch in canteen.

1141

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How many mashes are there in 1 square meter of wire gauge if each mesh is 8mm long and 5mm wide ?

1293

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f(X)= 2X-1 + f(X-1) if X is not equal to zeroandiff(X=0)=0, Value of f(5)

1246

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Each row of letters or numbers has a rule connecting them. Write the next number or letterin the brackets. K , A , J , B , I , C , H , (_ _ _)

1448

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A simple interest amount of Rs 6000 for 6 months is Rs 600. Calculate the annual rate of interest.

1152

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A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?

1586

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Find the value of (1.99)2

1456

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If a sum of money compound annually amounts of thrice itself in 3 years. In how many years will it become 9 times itself?

1210

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A ship is away from the shore by 180 miles.A plane is travelling at 10 times speed of the ship.How long from the shore will they meet?

1585

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consider expression 'ab' . what happens when 'a' is divided by 'c' &'b' is multiplied by 'c'.

1344

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Find the correct meaning of the following phrase: Man of few words

1208

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