## BOAT AND STREAM

A boat goes to 40 km upstream in 8 hours and down stream in 5 hours . What is the speed of boat in still water? a) 6 km/hr...

1 Replied
## SIMPLE INTEREST

A sum of money lent at simple interest amounts to RS 3224 in 2 years and Rs 4160 in 5 years . Find the sum and the rate of...

1 Replied
## SIMPLE INTEREST

The simple interest at x% for x years will be Rs. x on sum of : A) x B) 1OO x C) 1OO/x D) x/1OO

1 Replied
## SIMPLE INTEREST

How long will it take a sum of money invested at 5% at to increase its value by 4O% ? A) 6 years B) 7 years ...

1 Replied
## PERCENTAGE

On increasing each side of a square by 25% , the increasing in area will be (a) 25% (b)...

1 Replied
## NUMBER SYSTEM

Which of the two rational numbers is greater in each of the following pairs ? a) 2/5 or 0 ...

1 Replied
## CYLINDER AND CONE

A company owner salim want to give gift to his employees on occasion by giving a spherical ball fitted in a glass cylinder of height 35 cm and diameter...

1 Replied
## TIME

Swati does jogging for 30 minutes and do household activities for 2 hours in a day to burn her calories . She repeats this for a week . How...

Be the 1st to Reply
## Number system

If the sum of 5 consecutive even numbers is 70 , what is the sum of the squares of the numbers? (A) 1000 ...

1 Replied
## statistics

The mean of numbers is 5O. If one number is excluded ,their mean becomes 40 ,find the excluded number.

1 Replied