x²-49
(x-7)(x+7)
Area of square with 8 m is
64 m²
The value of (103)²
10609
The trapezium shaped field has parallel sides 5cm and 9cm and distance between them is 8cm is
56
The volume is cube is 729 cm³ , then side of the cube is
9cm
If 45 persons can finish a work in 20 days, then how many days will it take to finish the same work if 15 more persons are added?
15
100 persons had food provision for 24 days. If 20 persons left the place, the food would last for how many days
30
The value of 1/4² is
1/16
The solution of the equation ax+b=0 is
-b/a
Is y + y² + 1 a linear expression? True or False
False
Ramesh bought a scooter for Rs 3000 and then spent Rs 500 on its repairs. After that he sold it for a profit of 20%. The price at which he sold is
4200
Increase of a number from 150 to 162 is equal to increase in how much percent?
8
A box contains all numbers marked from 1 to 100. Find the probability (in fraction) of getting a multiple of 13.
7/100
Number of persons liking cricket are 30%, whereas for football it is 40%, and rest like other games. Find the central angle for total people liking football and cricket
252
Square of 3x-4y is
9x²-24xy+16y²
Factorised form of p²-17p-38 is
(p-19)(p+2)
The marked price of an article is Rs 80 and it is sold for Rs 76. What is the discount rate
5%
The square root of 24025 will have how many digits
3
Product of 6a²-7b+5ab and 2ab is
12a³b-14ab²+10a²b²
On dividing (4p²-16) by 4p(p-2), we get
p+2
The value of (a+b)²-(a-b)² when divided by 4a is
b
The square root of the sum of first six odd natural numbers is
6
The sides of a triangle whose hypotenuse is 17cm are
8,15
An auto rickshaw takes 3hours to cover a distance of 36km. If it's speed is increased by 4km/h, the time taken by it to cover the same distance is
2 hour 15 min
A rectangle of length 100cm and breadth 44cm is rolled by its breadth to form a cylinder. Find volume of the cylinder so formed
15400cm³