71. In what ratio tea of Rs.80 per kg be mixed with 12kg tea of Rs.64 per kg, so thai cost price of mixture is Rs.74 per kg?
Answer: 5:3
Explanation:(74-64)/(80-74) = 5/3
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72. Anil purchases two books for Rs.100. He sells first at loss of 5% and second al 20% profit. If he gets Overall profit of 5% then what is cost of first book?
Answer: Rs.60
Explanation:If cost of first book=x then second book=100-x
According to given condition x*(95/100) + (100-x)*(120/100) =100*(105/100) or
0.95x +120 -1.2x=105
x=60
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73. What was the day of the week on December 26,1995?
Answer: Tuesday
Explanation:Here is no explanation for this answer
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Tech Mahindra
74. Madhav ranks seventeenth in a class of thirtyone. What is his rank from the last?
Answer: 15
Explanation:(Rank from top) + (Rank from bottom) - 1 = Total students => 17 + x - 1 = 31
=> x = 15
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75. The amount of principal Rs.4000 at compound interest at the ratio of 10% p.a. for 3 years is:
Answer: Rs. 5324
Explanation:P= Rs. 4000, R= 10, Y= 3 years.
so, 1st intrest (4000 + 400) = Rs. 4400
2nd (4400 + 440) = Rs. 4840
3rd year (4840 + 484) = Rs. 5324
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76. In a 200 m race, A beats B by 20 m and c by 38m. In a race of 300 m B will beat C by
Answer: 30 m
Explanation:If a runs 200m then b runs 200-20=180m
then c runs 200-38=162m
if b runs 300m then c runs 162/180*300=270
therefore b beats c by 300-270=30
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Tech Mahindra
77. The sum of two consecutive number is 87. Which is the larger number?
Answer: 44
Explanation:Two consecutive number are x and (x+1)
so, x+(x+1) = 87 => 2x+1 = 87
=> 2x = 86
=> x = 43
so, larger number is x+1 = 43+1 = 44
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Tech Mahindra
78. Three partners A,B & C invested total Rs.1,15,000. After one year one of them gets a profit of Rs.6000, second gets Rs.10,000 and third gets Rs.14000 then how much amount did B invested?
Answer: Rs. 38333.30
Explanation:A, B, and C share = 6,000 : 10,000 : 14,000 = 3:5:7 => b invested = 5/15*115000 = Rs. 38,333.333
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Tech Mahindra
79. A Clock is so placed that at 12 noon its minute hand points towards north-enst. In which direction does its hour hand point at 1.30 P.M.?
Answer: East
Explanation:Here is no explanation for this answer
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80. What was the day of week on January 1, 1989?
Answer: Sunday
Explanation:Here is no explanation for this answer
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