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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Evaluate: 21.36 xx 21 |
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| 2. |
What kind of a fraction is the reciprocal of an improper fraction? |
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| 3. |
Find four consecutive odd numbers whose sum is 136. |
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| 4. |
Fill in the boxe using the symbols gt ,= or lt. 014.20 square 14.200 |
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| 5. |
What should be added tom^(2)-2mn+5n^(2) to get n^(2)+mn-m^(2)? |
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| 7. |
The following sentences are the steps involved in construction of the incircle for the triangle XYZ in which /_Y =90^(@), XZ=6 cm and YZ =4 cm. Arrange them in sequential order from the first to the last. (A) Mark the foot of the perpendicular from I onto YZ as D. (B) Construct the triangle XYZ with /_ Y =90^(@),XZ=6 cm and YZ =4 cm. (C ) Draw a circle with I as the centre and ID as radius. This is the required incircle. (D) Draw the bisectors of /_ X, /_ Y and /_Z and mark their point of concurrence as I. |
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Answer» SOLUTION :Steps: 1. Construct the triangle XYZ with `angleY=90^(@),XZ=4.5 CM, and YZ=3 cm `. 2. Draw the BISECTORS of `angleX,angleY and angleZ` and mark their point of concurrence as I. 3. Mark the foot of the perpendicular from I on YZ as D. 4. Draw a CIRCLE with I as the centre and ID as radius. This is the required incircle. 
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| 10. |
Fill in the blanks and state the property used. (84+12)+96="_______"+(12+96) |
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| 11. |
Subtract : 2abc-a^(2)-b^(2) from b^(2)+a^(2)-2abc |
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| 12. |
Find the product 4/17xx7(1)/(12) |
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| 13. |
A man invests ₹2000 for 3 years. He also invests ₹1600 for 3 years at a rate 2% higher than the first one. He earns an interest of ₹996 at the end of 3 years. Find the rates of interest in both the cases. |
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| 14. |
The product of two fractions is 87/25 .If one of them is 31/15 , find the other. |
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| 15. |
Find the sum of money which when invested for 4 years at 5% per annum yields an amount of ₹540. |
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| 16. |
Express each of the following as fraction is simplest form : 0.8 |
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| 17. |
Solve : 12.345 div 10000 |
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| 18. |
A man is twice as old as his son. 20 years ago, the age of the man was 12 times the age of the son.Find their present ages. |
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| 19. |
A fruit juice seller has 12 (5)/(7) litres of juice in a container. He sells 9 (5)/(6) litres of juice. He then refills the container with 8 (1)/(4) litres of juice. How much juice is there in the container now? |
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| 21. |
Sid owes Rs. 570 to Rahul. He got Rs. 240 from his grandfather as gift. Also, he had to give Rs. 80 to his younger brother. If he gives all the amount that he was left with to Rahul, find the amount he would still be owing to Rahul. |
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Answer» `RS. 432` |
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| 22. |
Divide : 0.1164 div 0.012 |
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| 23. |
Divide : 2605.8 div 1000 |
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| 25. |
Convert each of the following fractions into a decimal : 72/1000 |
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| 26. |
Sachin's father's age is 3 years more than three times Sachin's age. Sachin's father is 51 years old. Set up an equation to find Sachin's age. |
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| 27. |
Divide 16.8 in te ratio 5:9. |
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| 28. |
The marks of 12 students in a Math test are as follows: 8, 10, 4, 8, 5, 6, 9, 7, 6, 8, 9, 10 Find the: a maximum marks, b. minimum marks, c. range of marks, and d. mean marks. |
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| 29. |
The mean of 9 numbers is 6. If one more number is added, the mean remains 6. Find the number that is added. |
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| 30. |
The ratio between the base and height of a triangular field is 3:2. The cost of cultivating the field at Rs 65 per sq. m is Rs 3,12,000. Find the base and the height. |
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| 31. |
If the mean of 7 consecutive multiples of 3 is 18, find the 4th and 5th numbers. |
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Answer» `25,26` |
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| 32. |
If the radius of a wheel is 14 cm, find the distance covered in 150 revolutions. |
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Answer» `15,200 CM` |
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| 33. |
Find the circumference of a circle of diameter 21 cm. Take pi = (22)/(7). |
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| 34. |
Alok borrowed a certain sum on 9 July 2006 and paid an amount of Rs. 438 which included an interest of Rs. 6 on 8 November 2006. Find the rate of interest, charged to Alok per annum. |
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Answer» `6(1)/(4)%` |
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| 36. |
Can any fraction have a natural number as its reciprocal? |
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| 37. |
Solve the following equations and verify the results. (3x-3)/4-(2x-1)/3=1 |
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| 38. |
Add 4a^2b-2b^2c+3c^2a+4abc-5 and a^2b+b^2-2c^2+8ab |
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| 39. |
The of area parallelogram is 406 sq. cm. Its height is 14 cm. Find the length of one of its sides. |
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| 42. |
ABCD is a parallelogramhavingadjacent sidesAB = 35 cm and BC = 28 cm . If the distance between its longer sides is 8 cm , find : (i)the area of the parallelogram (ii)the distance between its shorts sides |
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Answer» (II) 10 CM |
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| 43. |
A certain concrete mix needs cement, fine aggregate, and coarse aggregate in the ratio 1:2:4. If the contractor has 25 kg of fine aggregate, how much quantity of the cement and that of the coarse aggregate is required to prepare the mix? |
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| 44. |
Find the perimeter and area of a square whose side measures : 1m 20cm |
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| 45. |
A ribbon of lengh 110.5 m is cut into equal ribbon pieces of length 8.5 cm. Find the number of ribbon piees thus obtained. |
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| 47. |
Express the following in exponential form : a. (16)/(81) b. (-27)/(1000) |
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Answer» b. `((-3)/(10))^(3)` |
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| 48. |
Find the area of a right triangle whose hypotenuse is 26 cm long and one of the sides containing the right angle measures 10 cm . |
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| 49. |
Write down the numerical as well as literal coefficient of each of the following monomials: (3)/(a^(2)) |
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