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In a single roll of dice, there are 6 numbers i.e. 1, 2, 3,4,5,6. Total possible outcomes in rolling 4 dices= 6× 6 ×6×6 = 1296 & the cases without showing 2 number (means every dice will show number 1, 3,4,5,6only) = 5× 5×5×5 = 625 So no. of possible outcomes in which at least one of the die shows number 2 = Total Possible outcomes – cases without showing 2 number = 1296 – 625 = 671
A man deposited 25% of his salary to a bank which offers compound interest at the rate of 10% p.a. If the interest earned by him from the bank after 2 y...
A man invests Rs X in a scheme at 12% rate of interest for 8 years. After 8 years he reinvests the amount received at same rate of interest for same tim...
What will be the ratio of simple interest earned on certain amount at the same rate of interest for 6 years and that for 16 years?
A took loan from a bank at the rate of 17%p.a. simple interest. After 5 years he had to pay Rs.6800 interest only for the period. The principal amount b...
Rs. 10000 is invested in scheme ‘A’ for a year at simple interest of 29% p.a. The interest received from scheme ‘A’ is reinvested for 2 years in...
Aman invested Rs. 'a' and Rs. (a + 2300) in SIP 'P' and 'Q', respectively, in a way that the amounts received from both SIPs after 2 years are equal. If...
A certain sum of money invested at R% p.a. fetches a compound interest (compounded annually) of 1400 and simple interest of Rs.1250 at the end of 2 year...
Raj invested Rs. ‘5y’ in scheme ‘C’ offering simple interest of 20% p.a. and reinvested the interest earned from scheme ‘C’ at the end of 3 ...
John invested Rs. (P-4000) and Rs. (P+5000) in scheme A and scheme B respectively. The rate of interest in scheme A and B is (R+1)% and (R-1)% respectiv...
A sofa of MRP 2500 is available in Rs.500 cash down payment and 9 monthly equal installment of Rs.250 each. Find the rate of interest per annum.
