On a certain principal, simple interest amounts to Rs. 2,000 in two years at the rate of 10% p.a. What will be the difference in the amount of interest if the same is compounded on annual basis?
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An engineering student has to secure 25% marks to pass. He gets 56 and fails by 34 marks. Find the maximum marks.
If a + b = 4 and ab = -5, then what is the value of a3 + b3?
What is the value of [sin (90 – A) + cos (180 – 2A)]/[cos (90 – 2A) + sin (180 – A)]?
ABCD is a parallelogram. Co-ordinates of A, B and C are (5,0), (-2,3) and (-1,4) respectively. What will be the equation of line AD?
If √(1 + cot2A)/cotA = x, then the value of x is
A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is
The time for a train of length 110 metres running at the speed of 72 km/hr to cross a bridge of length 132 metres is