Question
28% of ‘k’ added to 72% of ‘l’ gives a total of
144. If ‘l’ is 48 more than ‘k’, then find the value of (2k – l).Solution
ATQ,
00.28k + 0.72l = 144…….. (1)
And, l – k = 48………. (2)
On solving equation (1) and (2), we get
k = 80 and l = 128
Therefore, (2k – l) = 160 – 128 = 32
More Percentage Questions
What approximate value will replace the question mark (?) in the following?
? –...
- 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.)
`sqrt(224.991)` + (3.81008)2 = ? `-:` `1/6.0001`
` `
2387.56 + ? – 2248.14 = 1765.45 – 1574.23
45.22% of (71.9 x 5.01) + 69.97 =?
[√ (121.23) ÷ √ (12100.04)] × √ 80.95 = 3/10 + ? ÷ 4
...(?)2 + 5.113 = 26.92 – 28.03
210.34 + 16.92² + ?³ = √900.56 * 31.23
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.)...
If 4tan4 + 9 – 12tan2 = 0, then find the value of cot.
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