TCS Company Numerical Ability Algebra

Sheela ate 3/5th of a cake. She gave 1/5th of the remaining cake to her friend. What portion of the cake is still left with her?

a) 8/25
b) 1/5
c) 17/25
d) 2/5
e)4/5

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TCS Other Question

Raj and Ali invest in a business in the ratio 3:2. They give away 20% of their profit to charity and share the remaining profit in the same ratio as their invetsment. If Raj gets Rs. 2400, what is the total profit?
a)Rs. 5000
b)Rs. 4000
c)Rs. 4800
d)Rs. 6000
e)Rs. 6200
Ramesh got an overall average of 52 marks in an examination having five papers. He applied for re-evaluation and got the mark for one of the papers revised from 45 to 60. What is the new overall average.
a) 55
b) 67
c) 52
d) 57
e) 60