A number exceeds 20 $%$ of itself by 40. The number is (a) 50 (b) 60 (c) 80 (d) 320

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Solution

Let number = x Then x = $\frac{x \times 20}{100} = 40$ $\Rightarrow$ 100x-200x = 4000 80x = 4000 $\Rightarrow$ x = $\frac{4000}{80}$ = 50 $∴$ Number = 50

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Similar questions

Q. Tick (✓) the correct answer:
A number exceeds 20% of itself by 40. The number is
(a) 50
(b) 60
(c) 80
(d) 320

Q. Mark (✓) against the correct answer:
A number exceeds 25% of itself by 60. The number is
(a) 75
(b) 45
(c) 80
(d) 65

Q. A number exceeds by

40

when added by

20 %

of itself. The number is

Q. A number exceeds

25 %

of itself by

60

. Then number is?

The marks obtained by $40$ students of a class are given below :
$80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70,$
$10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90,$ $50, 80,$
$60, 70, 40, 50, 60, 90, 60, 40, 40, 60$ , and $60$

How many numbers are less than

35

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A number exceeds 20% of itself by 40. The number is (a) 50 (b) 60 (c) 80 (d) 320

Let number = x Then x = x×20100=40 ⇒ 100x-200x = 4000 80x = 4000 ⇒ x = 400080 = 50 ∴ Number = 50

A number exceeds 20 $%$ of itself by 40. The number is (a) 50 (b) 60 (c) 80 (d) 320

Let number = x Then x = $\frac{x \times 20}{100} = 40$ $\Rightarrow$ 100x-200x = 4000 80x = 4000 $\Rightarrow$ x = $\frac{4000}{80}$ = 50 $∴$ Number = 50