What is the area (in cm2) of a rectangle if its diagonal is 25 cm

Subject

Quantitative Aptitude

Class

SSCCGL Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

51.

What is the quotient when 7251 is divided by 66?

  • 110

  • 109

  • 111

  • 112


52.

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

  • 90 days

  • 45 days

  • 60 days

  • 75 days


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53.

What is the area (in cm2) of a rectangle if its diagonal is 25 cm and one of its sides is 24 cm?

  • 186 cm2

  • 144 cm2

  • 132 cm2

  • 168 cm2


D.

168 cm2


In Δ ABC,
AC2 = AB2 + BC2
252 = AB2 + 242
AB2 = 252 - 242
AB2 = 625 - 576
AB2 = 49
AB = 7
Now, l(length) =24 cm (given ) Breadth (b) = 7 cm
∴  Area of rectangle  = l x b = 7 x 24 = 168 cm2


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54.

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in ₹) if the cost price is ₹ 1,600/-?

  • ₹ 1,920/-

  • ₹ 2,000/-

  • ₹ 2,120/-

  • ₹ 2,200/-


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55.

What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?

  • 20

  • 10

  • 5

  • 15


56.

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

  • 66

  • 61

  • 62

  • 64


57.

A vendor buys 6 bananas for ₹ 25/- and sells them at 3 for ₹ 20/-. What is his profit percentage?

  • 50%

  • 40%

  • 60%

  • 30%


58.

Two labourers A and B are paid a total of ₹ 650 per day. If A is paid 160% of what is paid to B, how much (in ₹) is B paid?

  • ₹ 250/-

  • ₹ 400/-

  • ₹ 350/-

  • ₹ 450/-


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59.

A man travelled a distance of 60 km in 7 hours. He travelled partly on foot @ 6km/h and partly on bicycle @ 12 km/h. What is the distance (in km) travelled on foot?

  • 15 km

  • 9 km

  • 48 km

  • 24 km


60.

The compound interest earned in two years at 12% per annum is ₹ 10,176/-. What is the sum (in ₹) invested?

  • ₹ 50,000/-

  • ₹ 60,000/-

  • ₹ 40,000/-

  • ₹ 80,000/-


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