Maths Questions Series #5
Find the area of the circle formed in an equilateral triangle of side 42 cm. Using (π=22/7)
(A) $$ 231 \ cm^{2}$$
(B) $$ 462 \ cm^{2}$$
(C) $$ {22 \sqrt{3}}\ cm^{2}$$
(D) $$ 924 \ cm^{2}$$
Correct Answer : B
The diagonal of a rectangle is 17 cm long and its perimeter is 46 cm. Find the area of the rectangle.
(A) 110
(B) 100
(C) 120
(D) 115
(E) 125
Correct Answer : C
If the side of the square is increased by 30%, then how much % does its area get increased?
(A) 59%
(B) 69%
(C) 79%
(D) 49%
(E) None of these
Correct Answer : B
A straight tree breaks due to storm and the broken part bends so that the top of the tree touches the ground making an angle of 30 ° with the ground. The distance from the foot of the tree to the point, where the top touches the ground is 10m. Find the total height of the tree
(A) 10(√3+1) m
(B) 10(√3-1) m
(C) 10 √3 m
(D) $${10√3 \over3}m$$
Correct Answer : C
129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of cliff is 30 °. The height of this cliff is
(A) 43√3 metre
(B) 47 √3 metre
(C) 50 √3 metre
(D) 45 √3 metre
Correct Answer : A
Showing page 11 of 11
enhttps://www.examsbook.com/maths-questions-series-5/111111maths-questions-series-5About author
Vikram Singh
Providing knowledgable questions of Reasoning and Aptitude for the competitive exams.
Read more articles