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Let their present age be 4x and 3x respectively. Product of their ages = 12x² = 4800 => x² = 400 => x = 20 Present age of A = 4x = 80 years Present age of B = 3x = 60 years Ratio of their ages after 5 years = (80+5) : (60+5) = 85:65 = 17:13
630.11 ÷ 20.98 × 5.14 – 125.9 = √?
837.04 × 4.02 + 40.04% of 3049.98 – 3667.82 = ? 2 – 60.87
(2520.33 ÷ 41.67) × (√168.88 + √80.78) - 10% of 1499.85 = ?
√440.98 + (17.95% of 249.96 – 12% of 99.99) + (7.12)2 = ?
Which of the given trigonometric identities is incorrect ?
1. tan2 θ = sec2 θ - 1B. cosec2 θ = 1 + cot
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.)...
40.93√? + √6625 + √6920 + √? = 205.7542`xx` 7.654
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.)...
At a village trade fair a man buys a horse and a camel together for Rs 51,250. He sold the horse at a profit of 25 % and the camel at a loss of 20 %. If...
