POSTAL LGO EXAM 16/9/2012
SOLVED Maths PAPER
1. The radius of circle is 7 cm then the area of circle is
(a) 153.86 cm sq (b) 145.22 cm sq
©150.00 cm sq (d) 152.67 cm sq
Ans (a) 153.86 cm sq
2. A tax payer is exempted of income tax for the first Rs 40000.00 of his annual income and for the rest of the income , he has to pay tax at the rate of 20% . if the pays Rs 3160 annually as income tax . find his monthly income.
(a) Rs 4850 (b) Rs 4650
© Rs 4550 (d) None of these
Ans (b) Rs 4650
3. The perimeter of an isosceies triangle is 42 cm and its base is 1*1/2 times each of the equal sides . find the length of each side of triangle.
(a) 12 cm,12 cm,18 cm (b) 6 cms , 6 cms, 9 cms
© 18 cm, 18cm , 24 cm (d) none of these
Ans (A) 12 cm,12 cm,18 cm
4. Find the total surface area of a cylinder having radius of the base 14 cm and height 30 cm.
(a) 3872 cmsq (b)4872 cm sq
© 3782 cm sq (d) none of these
Ans 3872 cm sq
5. When the fractions 9/11,8/10,7/9,7/11 are arranged in the ascending order of value th result is
(a) 7/11,8/10,7/9,9/11 (b) 9/11,8/10,7/9,7/11
© 7/11,7/9,8/10,9/11 (d) 8/10,7/11,9/11,7/9
Ans © 7/11,7/9,8/10,9/11
6.How many cubes of 3 cm edge can be cut out of a cube of 18 cm edge ?
(a) 216 (b) 516
© 36 (d) None of these
Ans (a) 216
7 A reduction of 10% in the price of sugar enables a shopkeeper to abtain 25 Kg more for Rs 2250. The original price per Kg was.
(a) Rs 8
(b) Rs 9
(c) Rs 10
(d) Rs 11
Ans (b) Rs 9/-
8. The cost price of 19 mangoes is equal to the selling price of 16 mangoes . the gain percnet is
(a) 3*9/17% (b) 15*15/19%
© 18*3/4% (d) 20%
Ans (d) 20%
9. A train travelled distances of 10 cm. 20 km and 30 km at speeds of 50 km. ,60 km, and 90 km per hour respectively . the average speed of the train ( in km/hour) was
(a) 66.67 (b) 60
© 69.23 (d) None of these
Ans (a) 66.67
10 find the smallest number which is divisible by 12,15,20 and is a perfect squar.
(a) 400 (b)180
© 900 (d) 1000
Ans © 900
4. If 6 men can do a piece of work in 20 days and one man can do the work of two boys, then in how many days can 10 men and 5 boys do the same work
(a) 8 days (b) 10 days
© 12 days (d) None of these
Ans (a) 8 days.
5. A train of length 150 m takes 40.5 seconds to cross a tunnel of length 300m . The speed of the train ( in Km/Hr) is
(a) 13.33 (b) 26.67
© 40 (d) 400
Ans © 40
13 If a number Is multiplied by three fourth of itself, the value thus obtained is 10800 what is that number.
(a) 210 (b) 180
© 120 (d) 160
Ans © 120
14 ,If the three fourth of a number is subtracted from the number, the value so obtained is 163. What is that number.
(a) 625 (b) 562
© 632 (d) 652
Ans (d) 652.
15. In a division sum, a student took 63 as divisor instead of 36 . His answer was 24 . the correct answer is.
(a) 36 (b) 42
© 32 (d) None of these
Ans (b) 42
16. which of the following is a true statement ?
(a) phi and 22/7 are both rational (b) phi and 22/7 are both irrationals
© phi is rational and 22/7 is irrational (d) phi is irrational and 22/7 rational
Ans (d) phi is irrational and 22/7 rational
17. If one kilometer is equal to 10 hectometer then 1 hectometer is equal to
(a) 10 decameters (b) 1 decameter
© 100 decameters (d) 10 decimeters
Ans (a) 10 decameters
18. The average of eight numbers taken together is 12 . Two of these numbers are 0 and the remaining numbers are equal. What is the value of the non zero number?
(a) 12 (b)14
© 16 (d) 18
Ans © 16
19. The average salary of all workers in a workshop is Rs 850/- There are seven technicians whose average salary is Rs 1000/- and average salary of other is Rs 780/- what is the total number of worker in the workshop.
(a) 18 (b)20
© 21 (d) 22
Ans (d) 22.
20. A sum of Rs 8500/- is to be divided among 5 men, 6 women and 8 boys in the ratio of 10:7:1 . the share of one woman will be
(a) Rs 85 (b) 385
© 850 (d) 595
Ans (a) Rs 85
21. Gudia purchased a watch at 9/10th of its selling price and sold it at 8% more that it selling price. Her gain is?
(a) 18% (b) 20%
© 10% (d) None of these
22 A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had.
(a) 588 apple (b) 600 apple
© 672 apple (d) 700 apple
Ans 700 apple
23 . In the first 10 overs of a circket game, the run rate was only 3.2 . what should be the run rate in the remaining 40 overs to reach the target of 282 runs ?
(a) 6.25 (b) 6.5
© 6.75 (d) 7
Ans (a) 6.25
24. How much time will it take for an amount of Rs 450 to yield Rs 81 as interest at 4.5% per annum of simple interest ?
(a) 3.5 (b) 4.5
© 5 (d) 4
Ans ( d) 4 years
25. The ratio between the length and the breadth of a rectangular park is 3:2 if a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, the park (in sq. m) is
(a)15360 (b) 153600
© 30720 (d) None of these
Ans (a) 15360
by R.K. Choubey Div. Sec. Sagar MPAnwar Ahmed Asstt. Div.Sec.Sagar MP
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