Question
The monthly salary of Anjali is Rs. 6800, out of which
she saves 60%. If her savings go up by 10% and her expenditure increases by 30%, what is the percentage increase in her salary?Solution
ATQ,
Monthly savings of Anjali earlier = 0.60 × 6800 = Rs. 4080 Monthly expenditure of Anjali earlier = 6800 – 4080 = Rs. 2720 Monthly expenditure of Anjali now = 1.30 × 2720 = Rs. 3536 Monthly savings of Anjali now = 1.10 × 4080 = Rs. 4488 Monthly income of Anjali now = 3536 + 4488 = Rs. 8024 Desired percentage increase = [(8024 – 6800)/6800] × 100 = 18%
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)
(√360.99 + 161.14) ÷ 5 × 249.98 = ?
15.001% of 799.99 - 3/11% of 1099.99 + 111.002 = ?
{26.11 x 13.96 - (346.95 - 26.04 x 4.18)} = ?
If cosec (2A + B) = (2/√3) and cosec (A + B) = √2, find the value of (4A - B) .
Solve the following expression and calculate the approximate value.
398% of 388 + 129% of 323.89 – 430.93
The speed of the boat in still water is 20% less than the speed of the boat in downstream. The time taken by the boat to cover 780 km distance in upstre...
44.84% of 799.94 + (625.21 ÷ 24.91) – √(224.77) = ?
1131.98 + ? – 1125.04 = 1364.93 – 1168.01
A person invests a sum of money in a bank at a certain rate of interest. The interest earned at the end of the second and third y...
Relevant for Exams:
