Q41. A 150 metres long train takes 20 seconds to cross a 450 meters long platform. The speed of the train in kiolometres per second is:

• 1.8
• 3.8
• 2.8
• 1.5

Q42. A person covers half of his journey at 15 km/hr and remaining half covers 10 km/hr. What is his average speed for the whole journey?

• 13 km/hr
• 12 km/hr
• 14 km/hr
• 12.5 km/hr

Q43. In an examination, a student was asked for to find 5/17 of a certain number. By mistake, he found 5/7 of it. His answer was 150 more than the correct answer. The given number is:

• 350
• 375
• 360
• 357

Q44. 1/4 of Nitai's money is equal to 1/6 of Gour's money. If both of them together have Rs.600, what is the difference between their amounts?

• Rs. 120
• Rs. 100
• Rs. 110
• Rs. 140

Q45. The rate of simple interest being 10% per annum, in how many years, a sum will be thrice of it?

• 15 years
• 20 years
• 30 years
• 40 years

Q46. If salary of A is 20% more than that of B, then B's salary is less than that of A by?

• 13*2/3 %
• 14*2/3 %
• 15*2/3 %
• 16*2/3 %

Q47. If 4a = 5b and 8b = 9c, find a:b:c ?

• 45 : 36 : 32
• 44 : 30 : 35
• 4 : 8: 9
• 36 : 40: 45

Q48. The length of rectangle is increased by 10% and breadth decreased by 10% then the area of the new rectangle is:

• Decreased by 1%
• Increased by 1%
• Neither increased nor decreased
• Decreased by 10%

Q49. If 20 workers can earn wages Rs.20,000 in 5 days, earning of 12 workers in 10 days will be:

• Rs.22,000
• Rs.24,000
• Rs.30,000
• Rs.40,000

Q50. A piece of cloth was purchased by Rs.600. To earn 9.5% profit the sale price will be:

• Rs.670.00
• Rs.657.00
• Rs.609.50
• Rs.675.00