Quadrilaterals and area
A polygon having 10 sides is known as :
(a) square
(b) pentagon
(c) decagon
(d) hexagon
Decagon
Fifteen added to thrice a whole number gives 93. The number is ........ .
(a) 20
(b) 39
(c) 36
(d) 26
(d) 26
40% of 250 km is ______ Km
(a)95
(b)90
(c)80
(d)100
100 km
1 km2 = .............. m2
(a)1000
(b)100
(c)10,00,000
(d)10000
(c)10,00,000
If A:B =5:8 and B:C = 18:25.Then what will be A:C
(A) 5:15 (B) 8:25
(C) 9:20 (B) 20:1
(C) 9:20
Let a, b, c be the three rational numbers where a = 2/3 , b = 4/5. Then a x b is =_____.
(i) 6/15 (ii) 8/15
(iii) 15/6 (iv) 15/8
(ii)8 / 15
How many edges are there in a cube (3D) ?
(a) 10
(b) 14
(c) 8
(d) 12
ans. (d) 12
Which one has all the properties of a kite and a parallelogram?
(a) Trapezium
(b) Rhombus
(c) Parallelogram
(d) Rectangle
Rhombus
Find the value ( in fraction ) of 8/x = 5/(x-1)
(a)1/3
(b)8/3
(c)3/8
(d)7/8
(b)8/3
The interest on rs. 5000 at the rate of 15% per annum for one month is
(a) rs. 750
(b) rs. 75
(c) rs. 650
(d) rs. 62.50
correct option is (d) 62.50
Circumference of a circle of diameter 5 cm is
(a) 3.14 cm
(b) 31.4 cm
(c) 15.7 cm
(d) 1.57 cm
(C)15.7 cm
If A:B = 5:6 and B:C = 8:9, THEN A:B:C will be
(a) 30:24:27 (b) 20:24:27
(c) 5:8:9 (d) 27:24:20
(b) 20:24:27
The value of: (5/7)5 × (5/7) –6 by simplifying the exponents
(a)7/5 (b) 5/7
(c)( 7/-5)-1 (d)( 7/-5)-2
(a) 7/5
what is the square of 95?
(a) 5025
(b) 7055
(c) 8805
(d) 9025
ans. 9025
Each interior angle of a polygon is 108. Find the number of sides of the polygon.
Number of sides = 5
The sum of three consecutive even natural numbers is 48. Find the greatest of these numbers.
ans. 18
The ratio of Fatima's income to her savings is 4:1. Find the percentage of money saved by her.
20 %
Find the total cost of wooden fencing around a circular garden of diameter 28 m, if 1 cm cost rs.3 .
26400 rupees
In a fort, 550 men had provisions for 28 days.How many days will it last for 700 men?
22 days
If 2 n-7 x 5 n-4 = 1250,
Find the value of n.
n = 8
Find the value of x (in decimal )
(10.24)1/2 = x
ans. 3.2
ABCD is a trapezium such that AB ll CD, ang(A : B) = 2 : 1, ang(B:C) = 7:5. Find the largest angle of the trapezium.
ang(A) = 120
The sum of three consecutive integers is 5 more than the smallest of the integers. Find the product of these 3 integers
ans 6
Find the discount in percent when M.P. = Rs. 625 and S.P.= Rs. 562.50 .
10 %
Area of right-angled triangle is 30 cm2. If its smallest side is 5 cm, then find its hypotenuse .
13 cm
Find the ratio of price of coffee to that of tea when coffee costs Rs. 24 per 100 g and tea costs Rs. 180 per kg.
4:3
Find the value of ( in natural no.)
[ { 52 + (122)1/2 }]3
50,653
Three numbers are in ratio 1:2:3 and the sum of their cubes is 4500. Find the sum of these three no.
ans. 30
The perimeters of two squares are 40 and 96 metres respectively. Find the perimeter of another square equal in area to the sum of the first two squares.
104
The age of A is five years more than that of B. 5 years ago, the ratio of their ages was 3:2. Find their present ages.
A=20 ,B=15
Given the principal = Rs 40,000, rate of interest =8% p.a. compounded annually. find the interest for 2nd year.
Rs.3456
A wire is bent to form a square of side 22 cm. If the wire is rebent to form a circle. Find the diameter of the circle.
28 cm
Find three numbers in the ratio 2:3:5, the sum of whose squares is 608.
8,12,20
The sum of four consecutive integers is 266, then what will be the largest number?
68
A hall has a capacity of 15,376 seats. If the number of rows is equal to the numbers of seats in each row, then find the number of seats in each row.
ans. 124