Question
The difference between 7/10 of a
number and 38% of the number is 112. What is 20% of the number?Solution
Let the number be x. Then, x × 7/10 – 38% of x = 112 => 7x/10 – 38x/100 = 112 => 70x – 38x = 112 × 100 => 32x = 11200 ∴ x = 350 ∴ 20% of 350 = 350 × 20/100 = 70
Find the digit at unit place of 12349.
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.)<...
- 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.)
What will be the approximate value of the following questions.
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exactvalue.)<...
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.)...
? = 16.08 + 13.99 × 25.07
1219.98 ÷ 30.48 × 15.12 = ? × 2.16
?% of 309.99 = 40.01% of 249.99 + 295.98% of 49.99
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.)...
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