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I. 27x6-152x3+125=0 Let x³ = a 27a2-152a+125=0 27a2-125a-27a+125=0 a(27a-125)-1(27a-125)=0 a=1,125/27 x³=1,125/27 x=1,5/3 II. 216y6- 91y3 + 8=0 Let y3=b 216b2-91b+8=0 216b2-27b-64b+8=0 27b(8b-1)-8(8b-1)= 0 b=1/8,8/27 y3= 1/8,8/27 y=1/2,2/3 Hence, x>y
The difference between total SI earned on Rs 'P' at 18% p.a. for 3 years and total CI earned on same sum at 20% p.a. for 2 years when compounded annuall...
Mr. Raman invested Rs. 45,000 with Bank A under the scheme II for 3 years. How much amount he will get on maturity?
A person sells an article at 10% below its cost price. Had he sold it for ₹332 more, he would have made a profit of 20%. What is the original selling ...
Suppose a man invested Rs.(4000 + 2a) in Mutual Fund 'X' for 2 years and Rs. (3200 + 6a) in scheme 'Y' for 2 years and interest gets from Mutual Fund 'X...
Farhan invested a certain amount of money 8 years ago. He put his money at the rate of 5% for the first 2 years, 7% per annum for the next 4 years and ...
Farhan invested a certain amount of money 8 years ago. He put his money at the rate of 5% for the first 2 years, 7% per annum for the next 4 years and ...
Suppose a man invested an amount in the ratio of 3 : 2 at the rate of (r – 1)% & (2r – 16)% respectively at simple interest. If bigger amount invest...
Praveen earned an interest of Rs. 10,400 by investing a certain sum with bank C under scheme III for two years. How much interest he would have earned h...
The SI unit of acceleration is_________.
₹4,300 becomes ₹4,644 in 2 years at simple interest. Find the principle amount that will become ₹10,104 in 5 years at the same rate of interest.
