A. 25%B. 40.5%C. 55%D. 56.25% Related Posts:A big rectangular plot of area 4320 Sq.m is divided into 3…The area of a rectangle is thrice that of a square. The…The side of a square is increased by 25% then how much Read More …

# Tag: Mathematics

## Find the average of the first 20 natural numbers?

A. 10B. 11.5C. 12D. 10.5 Related Posts:The sum of the square of the three consecutive even natural…The average of 13 numbers is 60. Average of the first 7 of…The average of first 10 natural numbers is____________?The average weight of 25 Read More …

## If the diagonal of a square is doubled. How does the area of the square change?

A. Becomes fourfoldB. Becomes threefoldC. Becomes twofoldD. none of the above Related Posts:A big rectangular plot of area 4320 Sq.m is divided into 3…The ratio of the area of a square to that of the square…The ratio of the area Read More …

## Find the roots of quadratic equation: x2 + x β 42 = 0?

A. -6, 7B. -8, 7C. 14, -3D. -7, 6 Related Posts:If the roots of a quadratic equation are 20 and -7, then…Find the roots of quadratic equation: 3×2 β 7x β 6 = 0?Find the roots of the quadratic equation: Read More …

## 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 ?

A. 11:30 A.M.B. 12 noonC. 12:30 P.M.D. 1:00 P.M. Related Posts:Three pipes A, B and C can fill a tank in 6 hours. After…A can do a piece of work in 4 hours; B and C together can do…A train Read More …

## 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?

A. 60 cm2B. 30 cm2C. 45 cm2D. 15 cm2 Related Posts:The wire bent in the form of a square enclose an area of 484…The ratio of the length and the breadth of a rectangle is 4…A circular wire of radius Read More …

## The areas of the two spheres are in the ratio 1: 4. The ratio of their volume is?

A. 1:4B. 1:16C. 1:8D. 1:64 Related Posts:The diameters of two spheres are in the ratio 1:2 what is…The ratio between the radii of two spheres is 1:3. Find the…Surface area of two spheres are in the ratio 1:4 what is Read More …

## 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?

A. 34B. 35C. 36D. 37 Related Posts:The arithmetic mean of the scores of a group of students in…The average of runs of a cricket player of 10 innings was…Ali and Waqar appeared in a test. Ali scored 12 marks more…Which Read More …

## 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:

A. 50 kmB. 56 kmC. 70 kmD. 80 km Related Posts:A, while filling up the insurance application form, states…The average height of 35 boys in a class was calculated as…The total marks obtained by a student in Physics, Chemistry…In an Read More …

## 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_________?

A. 260mB. 280mC. 360mD. None of these Related Posts:The perimeter of a rectangle and square are 160m each. The…The Ratio of the length and breadth of a plot is 3:2 .If the…The length of a rectangular plot is twice its Read More …