Question

Question numbers 21 to 26 carry 2 marks each.
D. The
present age of Sanjay's mother is three times the present age of Sanjay. After 5 years their ages
willadd to 66 years. Find their present ages.
22. Show that 3200 is not a perfect square number.
23. How many pencil boxes of dimensions 15cm X 50cm X 20cm can be packed in a carton each of
whose edge is 30cm?
24. The price of an article is reduced by 20%. find the original price of the article, if the reduced price is
Rs 4000.
25. The length of the parallel sides of a trapezium are 12 cm and 15 cm respectively and the distance
between the parallel sides is 8 cm then find the area of the trapezium.
26. Find the value of x in 16^3x= 32 ^5x-13
6​

Answer 1

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