MBA Exam

Let x denote the greatest 4-digit number which when divided by 6, 7, 8, 9 and 10 leaves a remainder of 4, 5, 6, 7 and 8 respectively. Then, the sum of the four digits of x is:(Easy)

1) 21
2) 18
3) 22
4) 25
5) None of these

Read Solution (Total 1)

the number will be a multiple of 6,7,8,9,10
L.C.M OF 6,7,8,9,10=2520
Largest 4 digit number divided by this = 7560
So, required no. = 7558
and therefore sum of digits = 25 :-)
7 years agoHelpfull: Yes(1) No(0)

MBA Other Question

the value of set of silver coins varies as the square of its diameter,if its thickness remains constant,and it varies as thickness if diameter remains constant.if the diameter of two coins are in the ratio 4:3,what should be the ratio of their thickness be if the value of first is 4 times that of second.

1) 16;9
2) 9:4
3) 9:16
4) 4:9
A has to pay Rs. 7282 at the end of 3 yrs. He agrees to repay the amt in 3 equal installments. Initially the rate is 10% p.a. compounded annually; but after 2 installments have been paid, the interest rate is increased to 15% p.a.; effective from that year. What was the value of the last installment?

1) Rs. 1100
2) Rs. 2200
3) Rs. 3300
4) None of these