Study the following graph to answer these questions :
Percent profit earned by two companies A & B over the years.
Profit = Income – Expenditure

If the income of Company A in 1998 was Rs. 1,42,500 what was its expenditure in that year?

The ratio in which two sugar solutions of the concentration 25% and 45% are to be mixed to get a solution of concentration 30% is

Directions : What should come in place of the question mark (?) in the following number series? 

87 89 95 107 ? 157 

AB is a chord to a circle and PAT is the tangent to the circle at A. If ∠BAT=75° and ∠BAC=45° and C being a point on the circle, then ∠ABC is equal to

if the square root of 841 is 29, then square root of 0.0000084 is equal to: 

A bank offers a 20% compound interest per half year . A customer deposits Rs. 2800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest is______

A certain number when divided by 175 leaves a remainder 132. When the same number is divided by 25, the remainder is:

A certain sum amount to Rs.5832 in 2 year at 8% per annum at compound interest, the sum is