Maths - General Airthmatic

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6. In a question of division, the divisor is 10 times of quotient and 5 times of remainder. If remainder is 46, then dividend will be

  • Option : D
  • Explanation : Remainder = 46. Divisor = 5 x 46 = 230 Now, Divisor =10 (Quotient). => Quotient = 230/10=23 ∴ Dividend = (Divisor x Quotient) + Remainder =(230 x23)+ 46 =5336
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7. The traffic lights of three cross roads change after each 1 min, 75 sand 90 s respectively. If these lights change simultaneously at 7 : 50 am, then they will change simultaneously again at

  • Option : C
  • Explanation : LCM of 60,75 and 90 =900 s = 900/60 =15 mm Then, the light will change simultaneously again at 7: 50 + 15 min = 8: 05 am
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8. If 1.2x = 0.3y, then value of (y - x)/(y + x) will be

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9. The value of will be

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10. If 51.84/4.32 = 12, then the value of O.005184/0.432 is

  • Option : D
  • Explanation : 0.005184 / 0.432 = 0.012
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