If the side of a square is increased by 25% then it’s area is increased by_________? January 2, 2022January 2, 2022 administrator A. 25%B. 40.5%C. 55%D. 56.25% Share the Post Share the Post
Find the average of the first 20 natural numbers? January 2, 2022January 2, 2022 administrator A. 10B. 11.5C. 12D. 10.5 Share the Post Share the Post
If the diagonal of a square is doubled. How does the area of the square change? January 2, 2022January 2, 2022 administrator A. Becomes fourfoldB. Becomes threefoldC. Becomes twofoldD. none of the above Share the Post Share the Post
Find the roots of quadratic equation: x2 + x – 42 = 0? January 2, 2022January 2, 2022 administrator A. -6, 7B. -8, 7C. 14, -3D. -7, 6 Share the Post Share the Post
A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ? January 2, 2022January 2, 2022 administrator A. 11:30 A.M.B. 12 noonC. 12:30 P.M.D. 1:00 P.M. Share the Post Share the Post
A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangle, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle? January 2, 2022January 2, 2022 administrator A. 60 cm2B. 30 cm2C. 45 cm2D. 15 cm2 Share the Post Share the Post
The areas of the two spheres are in the ratio 1: 4. The ratio of their volume is? January 2, 2022January 2, 2022 administrator A. 1:4B. 1:16C. 1:8D. 1:64 Share the Post Share the Post
A batsman in his 17th innings makes a score of 85 and their by increasing his average by 3. What is his average after the 17th innings? January 2, 2022January 2, 2022 administrator A. 34B. 35C. 36D. 37 Share the Post Share the Post
If a person walks at 14 km/hr instead of 10 km/hr, he would have walked 20 km more. The actual distance travelled by him is: January 2, 2022January 2, 2022 administrator A. 50 kmB. 56 kmC. 70 kmD. 80 km Share the Post Share the Post
The ratio between the length and breadth of a rectangular field is 5:4. If the breadth is 20 meters less than the length. The perimeter of the field is_________? January 2, 2022January 2, 2022 administrator A. 260mB. 280mC. 360mD. None of these Share the Post Share the Post