If(29)7⁵ is divided by 28, then remainder will be

• 0

• 1

• 29

• 7

Given Pie-graph shows the cost of construction of a house. If total cost of construction is Rs 1500000, then the amount spent on labour is

• Rs. 90000

• Rs. 250000

• Rs. 360000

• Rs. 375000

To introduce the concept of fraction teacher can start with

• $\mathrm{to} \mathrm{write} \mathrm{the} \mathrm{fraction} \mathrm{in} \mathrm{the} \mathrm{form} \mathrm{of} \frac{\mathrm{a}}{\mathrm{b}} \mathrm{where} \mathrm{b} \ne 0$

• to introduce the fractional part of the things existing in the surrounding

• to recognise the numerator and denominator in different types of fractions

• to find out fraction on number line

Which objective of learning is fulfilled to understand the concept and principles of mathematics?

• Skill

• Previous knowledge

• Observation

• Perception

If two complementary angles are in the ratio 2 : 3, then angles will be

• $25°, 65°$

• $108°, 72°$

• $36°, 54°$

• $40°, 60°$

2 tables and 3 chairs together cost Rs. 2000 where as 3 tables and 2 chairs together cost Rs. 2500. Then, the total cost of 1 table and 5 chairs are

• Rs. 1800

• Rs. 1700

• Rs. 1900

• Rs. 2000

How many bricks will be required to construct a wall 3 m long, 1.5 m high and 0.4 m thick, if each brick measures 30 cm x 15 cm x 8 cm ?

• 502

• 550

• 500

• 501

$\mathrm{If} \mathrm{x} - \frac{1}{\mathrm{x}} = \frac{1}{2}, \mathrm{then} \mathrm{the} \mathrm{value} \mathrm{of} 4{\mathrm{x}}^2 + \frac{4}{{\mathrm{x}}^2} \mathrm{is}$

• 7

• 9

•  - 7

•  - 8

$\mathrm{If} 2^{\mathrm{a}} + 3^{\mathrm{b}} = 17 \mathrm{and} 2^{\mathrm{a} +\hspace{0.17em}2} - 3^{\mathrm{b} + 1} = 5, \mathrm{then} \mathrm{the} \mathrm{value} \mathrm{of} \mathrm{a} \mathrm{and} \mathrm{b} \mathrm{is}$

• 6, 5

• 3, 2

• 8, 5

• 7, 8

$\mathrm{The} \mathrm{value} \mathrm{of} \left(1 - \frac{1}{2}\right)\left(1 - \frac{1}{3}\right)\left(1 - \frac{1}{4}\right) ... \left(1 - \frac{1}{\mathrm{n} - 1}\right)\left(1 - \frac{1}{\mathrm{n}}\right) \mathrm{will} \mathrm{be}$

• $\frac{\mathrm{n}}{\mathrm{n} + 1}$

• $\frac{1}{5\mathrm{n}}$

• $\frac{1}{3\mathrm{n}}$

• $\frac{1}{\mathrm{n}}$