List of top Mathematics Questions asked in CBSE Class VIII

1.  \(\frac{(25×t^{−4})}{(5^{−3}×10×t^{−8})} (t ≠ 0)\)
2. \(\frac{ (3^{−5}×10^{−5}×125)}{(5^{−7}×6^{−5})}\)

1.  {\((\frac{1}{3})^{−1} − (\frac{1}{4})^{−1}\)}⁻¹ 
2.  \((\frac{5}{8})^{−7}× (\frac{8}{5})^{−4}\)

1. \(\frac{ (8^{−1}× 5^3)}{2^{−4}} \)
2. \((5^{−1}× 2^{−1})×6^{−1}\)

1. (3⁰ × 4⁻¹) × 2² 
2.  (2⁻¹ × 4⁻¹) ÷ 2⁻²
3.  (\(\frac{1}{2}\))⁻² + (\(\frac{1}{3}\))⁻² + (\(\frac{1}{4}\))⁻²
4.  (3⁻¹ +4⁻¹ + 5⁻¹)⁰
5.  {(\(\frac{−2}{3}\))⁻²}²

1. (−4) ⁵ ÷ (−4) ⁸ 
2. \(\left(\frac{1 }{ 2^3}\right)\) ² 
3. (−3) ⁴ × (\(\frac{5}{3}\)) ⁴
4. (3 ^-7 ÷ 3 ^-10) × 3 ^-5 
5. 2 ^-3 × (−7) ^-3

 (b) Population (in thousands) of men and women in a village in different years.

1. On which days was the forecast temperature the same as the actual temperature?
2. What was the maximum forecast temperature during the week?
3. What was the minimum actual temperature during the week?
4. On which day did the actual temperature differ the most from the forecast temperature?

1. How high was Plant A after (i) 2 weeks (ii) 3weeks? 
2.  How high was Plant B after (i) 2 weeks (ii) 3weeks? 
3.  How much did Plant A grow during the 3rd week? 
4.  How much did Plant B grow from the end of the 2nd week to the end of the 3rd week? 
5.  During which week did Plant A grow most? 
6.  During which week did Plant B grow least? 
7.  Were the two plants of the same height during any week shown here? Specify.

1. What were the sales in (i) 2002 (ii) 2006?
2. What were the sales in (i) 2003 (ii) 2005?
3. Compute the difference between the sales in 2002 and 2006.
4. In which year was there the greatest difference between the sales as compared to its previous year?

1. What was the patient's temperature at \(1\) p.m.? 
2.  When was the patient's temperature \(38.5\)° C? 
3.  The patient's temperature was the same two times during the period given. What were these two times? 
4.  What was the temperature at \(1.30\) p.m? How did you arrive at your answer? 
5.  During which periods did the patient's temperature show an upward trend?

State true or false. 

(i) Cube of any odd number is even. 

(ii) A perfect cube does not end with two zeros. 

(iii) If square of a number ends with 5, then its cube ends with 25.

(iv) There is no perfect cube which ends with 8. 

(v) The cube of a two digit number may be a three digit number. 

(vi) The cube of a two digit number may have seven or more digits. 

(vii) The cube of a single digit number may be a single digit number

Find the cube root of each of the following numbers by prime factorisation method. 

(i) 64 (ii) 512 (iii) 10648 (iv) 27000 (v) 15625 

(vi) 13824 (vii) 110592 (viii) 46656 (ix) 175616 (x) 91125.

1. find the population in \(2001\) 
2. what would be its population in \(2005\)?