This is the solution of Numerical Aptitude (Mathematics) of SSC CGL Exam 26 June 2011 Morning shift. The question pattern was mix and there were tough as well as easy Questions. This Answer key is user submitted and great precaution is taken while solving them and may contain error. So use it at your own responsibility.
Numerical Aptitude Answer Key SSC CGL Exam 26 June 2011- Morning Shift
Q 1 if x * y Ans 192
Q 2 (0.05)2 + (0.41)2 Ans 100
Q 3 9/x = /12 + /147 Ans 3 /= Root
Q 4 (1-127/343)1/3 Ans 1 -1/7
Q 5 If the sum of two number be multiplied by each number Ans 19
Q 6 Find a number, on-sevent of which Ans 1925
Q 7 /6+ /6+ /6 Ans = 3
Q 8 the square root of (/3=/2 / /3-/2) Ans = /3 + /2
Q 9 the remainder when (3) 21 is divided by 5 Ans 3
Q 10 The value of 2 1/3 -1 2/11 Ans 38/109
Q 11 The last digit of (1001)2008 + 1002 Ans 3
Q 12 3 root 2 /root 3 + root 6 - ... Ans 0
Q 13 A can do a work in 12 days....
Ans 6 days
Q 14 The L.C.M. of three different number is 120 Ans 35
Q 15 A number when divided by 49 leaves 32
Ans 4
Q 16 In an examination a student scores 4 marks Ans 35
Q 17 The traffic lights at three different signals Ans 10 : 18 : 36 AM
Q 18 A copper wire is bent in the shape of square Ans 7
Q 19 The volume of rain water that can be collected from 1.5 Hectare Ans 7500
Q 20 A river 3 m deep and 40 m wide is Ans 400
Q 21 A and B can complete a piece of work in 8 days Ans 6 days
Q 22 X is 3 times as fast as Y and is able to complete Ans 15 days
Q 23 What single discount is equivalent to two successive discounts of 20% and 15% Ans 32%
Q 24 In a business partnership among A, B, C and D, the profit Ans 90000
Q 25 A bicycle wheel makes 5000 revolutions in moving 11 km An 35
Q 26 The perimeter of a triangle is 40 cm Ans 8
Q 27 A shopkeeper allows a discount of 10% to his customers Ans Rs. 600
Q 28 The ratio of weekly incomes A and B is 9 : 7 Ans Rs 4800
Q 29 Among three numbers, the first is twice the second and thrice the third Ans 54
Q 30 The mean of 50 numbers is 30. Later it was discovered Ans 29.28
Q 31 A can contains a mixture of two liquids A and B in the ratio 7 :5 Ans 21
Q 32 What number should be added to or Subtracted from each term of the ratio 17 : 24 Ans 10 is subtracted
Q 33 Krishna purchased a number of articles at Rs 10 for each........ Ans Gain 8 1/3
Q 34 A trader bought two hoses for Rs 19,500 Ans Rs. 11,500 and Rs 8000
Q 35 If the selling price of 10 articles is equal to the Ans 10
Q 36 While selling a watch, a shopkeeper gives a discount of 5% Ans Rs. 1,500
Q 37 If the price of sugar is raised by 25% Ans 20
Q 38 If 30% of A is added to 40% of B, the answer is 80% Ans.... 75%
Q 39 A man can row 6 km/h in still water. If the speed of the current is 2km/h Ans 24 km
Q 40 The cost price of an article is 40% of the selling price Ans 250%
Q 41 If 90% of A = 30% of B and B = 2x% Ans 150
Q 42 When the price of sugar decreases by 10%, a man could buy 1 kg more Ans Rs. 30
Q 43 A sum of money placed at compound interest doubles itself in 4 years Ans 8 years
Q 44 The simple interest on a sum for 5 years is one-fourth of the sum Ans 5 %
Q 45 The difference between the compound interest and simple interest on Rs 10,000 for 2 years is 25 years Ans 5%
Q 46 A student goes to school at the rate of 2 1/2 km/h and reaches 6 minutes late
Ans 4
Q 47 What is the difference..... Ans 420
Q 48 The production of company D is how many Ans 1.8
Q 49 The demand for company B is what percent of the Demand for company C An 25
Q 50 What is the ratio of companies having more demand than ..... Ans 3 : 2
thanks to Priyamwada and other user for compiling these solutions.
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