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Question 1.The following table shows the number of Buses and Trucks in nearest lakh units. Draw percentage bar diagram. (Approximate the percentages to the nearest integer) Solution: Question 2.In the table given below, the information is given about roads. Using this draw sub-divided and percentage bar diagram (Approximate the percentages to the nearest integer) Solution:i. … Read more

Question 1.Write the correct alternative answer for each of the following questions. i. For different types of investments what is the maximum permissible amount under section 80C of income tax ?(A) ₹ 1,50,000(B) ₹ 2,50,000(C) ₹ 1,00,000(D) ₹ 2,00,000Answer:(A) ₹ 1,50,000 ii. A person has earned his income during the financial year 2017-18. Then his … Read more

Question 1.Observe the table given below. Check and decide, whether the individuals have to pay income tax. Solution:i. Miss Nikita’s age = 27 years < 60 yearsMiss Nikita’s income = ₹ 2,34,000Miss Nikita’s income is below the basicexemption limit of ₹ 2,50,000.∴ Miss Nikita will not have to pay income tax. ii. Mr. Kulkarni’s age … Read more

Question 1.Alka spends 90% of the money that she receives every month, and saves ₹ 120. How much money does she get monthly?Solution:Let Alka’s monthly income be ₹ x.Alka spends 90% of the money that she receives every month.∴ Amount spent by Alka = 90% of x Now, Savings = Income – Expenditure∴ 120 = … Read more

Question 1.Choose the correct alternative answers for the following questions. i. If 3x + 5y = 9 and 5x + 3y = 7, then what is the value of x + y ?(A) 2(B) 16(C) 9(D) 7Answer:(A) 2 ii. ‘When 5 is subtracted from length and breadth of the rectangle, the perimeter becomes 26’. What … Read more

Question 1.In an envelope there are some ₹5 notes and some ₹10 notes. Total amount of these notes together is ₹350. Number of ₹5 notes are less by 10 than twice the number of ₹10 notes. Then find the number of ₹5 and ₹10 notes.Solution:Let the number of ₹5 notes be ‘x’ and the number … Read more

Question 1.By using variables x and y form any five linear equations in two variables.Answer:The general form of a linear equation in two variables x and y is ax + by + c = 0,where a, b, c are real numbers and a ≠ 0, b ≠ 0.Five linear equations in two variables are as … Read more

Question 1.Select the appropriate alternative answer for the following questions. i . If 6 : 5 = y : 20, then what will be the value of y?(A) 15(B) 24(C) 18(D) 22.5Answer:(B) 24 ii. What is the ratio of 1 mm to 1 cm ?(A) 1 : 100(B) 10: 1(C) 1 : 10(D) 100: 1Answer:(C) … Read more

Question 1.Which number should be subtracted from 12, 16 and 21 so that resultant numbers are in continued proportion?Solution:Let the number to be subtracted be x.∴ (12 – x), (16 – x) and (21 – x) are in continued proportion. ∴ 84 – 4x = 80 – 5x∴ 5x – 4x = 80 – 84∴ … Read more

Question 1.Fill in the blanks of the following. Solution: Question 2.5m – n = 3m + 4n, then find the values of the following expressions. Solution:5m – n = 3m + 4n … [Given]∴ 5m – 3m = 4n + n∴ 2m = 5n Question 3.Solve: Solution:Here, no two of a, b and c are … Read more