m4maths Maths Puzzle

A man invests 1 lakh rupee totally in two businesses. First business has 10% profit and second 14 % loss. If overall profit is 2000 rupee, then investment in first business is ?

Read Solution (Total 2)

66666.67 in first and 333333.33 in second
11 years agoHelpfull: Yes(2) No(0)

If investment in first business=x, so in second=(100000-x)
Given 1.1x+0.86(100000-x)=102000
or 0.24x=16000, x=16000/0.24=66666.66 Rs
11 years agoHelpfull: Yes(2) No(0)

m4maths Other Question

What is the next number of the following sequence
13,35,57,79,911,......

If reversed all digits
=> 31,53,75,97,119,
Following this sequence => next term = 141

Is this wrong ?? find the value of (0.75*0.75*0.75-0.001)/(0.75*0.75-0.75+0.01)/ tell me how to slove these kind of sums in less time?