Quantitative Sk...

Solve;

x² + 26x + 168 = 0

y² + 23y + 132 = 0

Solve;

(x – 19)² = 0

y² = 361

A runs 3 2/3 times as fast as B. If A gives B a start of 80 m. How far must the winning post be from the starting point of A so that A and B reach it at the same time?

A train running at 7/11 of its own speed reached a place in 33 hrs. How much time could be saved if the train runs at its own speed?

The train traveling at 50 km/h overtakes a motorbike traveling at 32 km/h in 80 s. What is the length of the train in meters?

Find the area of an isosceles triangular plot?

I. Perimeter of the triangular plot is 100m

II. Base of the triangle is 18 cm

III. Height of the triangle is 24 cm

What is the ratio of male to female officers in the police force in town P?

I. The number of female officers is 200 less than half the number of male officers.

II. The number of female officers is 1/6 the number of male officers.

Total amount of Rs. 50600 was distributed among A, B and C. How much does each get?

I. A gets 2/9 of what the other two together get.

II. C gets 3/11 of what the other two together get.

Is the average of the largest and the smallest of four given numbers greater than the average of four numbers

I. The difference between the largest and the second largest number is less than the difference between the second largest and the second smallest number.

II. The difference between the largest and the second largest number is greater than the difference between the second smallest and the smallest number

III. The difference between the largest and the second smallest number is greater than the difference between the second largest and the smallest number.

Who earns most among A, B, C, D and E?

I. A earns less than C but not less than E

II. D earns more than A but not equal to B

III. B earns more than A and E