RS Aggarwal Class 7 Math Seventh Chapter Linear Equation In One Variable Exercise 7B Solution EXERCISE 7B (1) Twice a number when decreased be 7 gives 45. Find the number. Solution: Let the required number is x. (2) Thrice a number when increased by 5 gives 44. Find the number. Solution: Let the required number […]
RS Aggarwal Class 7 Math Seventh Chapter Linear Equation In One Variable Exercise 7A Solution EXERCISE 7A Solve the following equations. Check your result in each case. For more exercise solutions, Click Below – Exercise – 7B Exercise – 7C
NCERT Class 6 Mathematics Twelfth Chapter Ratio And Proportion Exercise 12.3 Solution EXERCISE 12.3 (1) If the cost of 7 m of cloth is Rs 1470, find the cost of 5 m of cloth. (2) Ekta earns Rs 3000 in 10 days. How much will she earn in 30 days? (3) If it has rained […]
NCERT Class 6 Mathematics Twelfth Chapter Ratio And Proportion Exercise 12.2 Solution EXERCISE 12.2 (1) Determine if the following are in proportion. (a) 15, 45, 40, 120 Solution: We know, 1st term × 4th term = 2nd term × 3rd term So, 15 × 120 = 45 × 40 Or, 1800 = 1800 Ans: Yes […]
RS Aggarwal Class 6 Math Tenth Chapter Ratio, Proportion And Unitary Method Exercise 10D Solution EXERCISE 10D OBJECTIVE QUESTIONS Mark (√) against the correct answer in each of the following: (1) The ratio 92 : 115 in its simplest form is Ans: (d) 4 : 5 92 : 115 =92115=92÷23115÷23=45 = 4 : 5 (2) If 57 […]
RS Aggarwal Class 6 Math Tenth Chapter Ratio, Proportion And Unitary Method Exercise 10B Solution EXERCISE 10B (1) Determine if the following numbers are in proportion: (i) 4, 6, 8, 12 Solution: We have, Hence, 4, 6, 8, 12 are in proportion. (ii) 7, 42, 13, 78 Solution: We have, Hence, 7, 42, 13, 78 […]
