Question
Which of the following dyes is used for colouring Paper
and typewriters?Solution
Triphenyl Dyes contains the paraquinoid moiety as a chromophore and -OH, -NH₂ as auxochrome. these dyes are not fast to light and washing and hence used for colouring Papers or typewriters.
7.898 × ? + 139.89` ` `-:` 14.23 = 4004.04 – 353.89
` `
- 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.)
√2024.84 + (24.86% of 1999.81) - (3/8 of 800.15) = ?
The ratio of cost price to the marked price of an article is 5:8. The article had been marked above its cost price by Rs. 270. If the article was sold a...
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 question (?) in the following given expression? You are not expected to calculate the exact value.
...{(84.04% of 649.95 + 27.92 × 13.13) – 21.11 × ?} = 763.35
Which of the following options is the closest approximate value which will come in place of question mark (?) in the following equation?
48.9 × ...
A bag contains red, green, and blue balls, with a total of 16 balls. The probability of drawing two blue balls in one draw is 3/8. How many blue balls a...
30.11% of 149.99 + √ 143.97 ÷ 12.02 = ?
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