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Numerical Ability Questions for AFCAT, CDS, NDA

Mathematics questions are always asked in CDS, AFCAT or NDA exam. So here we are to provide you Numerical Ability Questions. These questions are from random topics. Kindly solve all the questions. If there is any query do tell us by dropping the comment below.

Numerical Ability Questions for AFCAT, CDS, NDA

1. If the discount of 10% is given on the marked price of a radio, the gain is 20% . If the discount is increased to 20% , the gain is …..

2. The value of the following is Cos24°+ cos55°+ cos125°+ cos 204°+ cos 300°

3. O is the in centre of triangle PQR and angle QPR is 50°, then the measure of angle QOR is

4.If two number are in the ratio 2:3 and the ratio becomes 3:4 when 8 is added to both the numbers , then the sum of the two numbers is

5. The area of triangle formed by the graphs of the equations x=4 , y=3, 3x+4y=12is

6. AB and CD are two parallel chords of a circle lying on the opposite side of the centre and the distance between them is 17 cm. The length of AB and CD are 10cm and 24 cm , respectively. The radius of the circle is

7. If A,B,C can complete a work in 6 days. If A can work twice faster than B and thrice faster than C, then the number of days C alone can complete the work is

8. A shopkeeper allows a of discount of 10% on the marked price of a camera. Marked price of the camera , which costs him 600 , to make a profit of 20% should be

9. Two alloys contain tin and iron in the ratio of 1:2 and 2:3 . If the two alloys are mixed in the proportion of 3:4 respectively( by weight) , the ratio of tin and iron in the newly formed alloy is

10. AC is transverse common tangent to two circles with centres P and Q and radii 6cm and 3 cm at the point A and C respectively. If AC cuts PQ at the point B and AB= 8cm, then the length of PQ is

11. The perimeter of one face of a cube is 20cm. Its volume will be

12. A farmer traveled a distance of 61 km in hours. He travelled partly on foot at the rate of 4km/h and partly on bicycle at the rate of 9km/h . The distance travelled on foot is

13. A ship after sailing 12km towards south from a particular place covered 5km more towards east. Then the straightway distance covered of the ship from that place is

14. Two poles of height 7m and 12m stand on a plane ground . If the distance between their feet is 12 m , the distance between their top will be

15. The measure of angle whose supplement is three times as large as its complement is

16. If selling price is doubled, the profit triples. Find the profit percent.

17. A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

Answers are given below
1. 20/3%

2. 1/2

3. 115°

4. 40

5. 6 sq units

6. 13

7. 22

8. 800

9. 13:22

10. 15cm

11. 125 cm cube

12. 16 km

13. 13km

14. 13 m

15. 45°

16. 8/15

17. 100

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