Maths4all

Question Related to   NTSE  class X Good questions for all aspirants  preparing for  NTSE .  Lets do them :  Questions 1 to 4   Questions 5 to 8 Question 9 :  The number of prime numbers less than 100 is ...... (a) 23 (b) 24 (c) 25 (d) 31   Ans 9   (c) 25 Question 10 :  The largest missing digit in the number 3_8943 to make it divisible by 9 is ..... (a) 0 (b) 3 (c) 6 (d) 9   Ans 10  (d) 9 Question 11 :  If x : y = 2 : 3 then value of 3x + 2y : 9x + 5y is (a)    4 : 11   (b)  5 : 14   (c) 11 : 4  (d) 4 : 7   Ans 11  (a) 4 : 11 Previous Questions : Questions 1 to 4   Questions 5 to 8

Question Related to NTSE class X Good questions for all aspirants preparing for NTSE .  Lets do them :  Questions 1 to 4   Question 5 : If the CP of 12 mobiles is equal to the SP of 16 mobiles.Find the loss percent (a) 30 percent (b) 25 percent (c) 20 percent (d) 15 percent   CP = cost price ;  SP = selling price Ans 5  (b) 25 percent Question 6 : The smallest digit in the number 2_35600 to make it divisible by 3 is (a) 3 (b) 2 (c) 0 (d) 5   Ans 6  (b) 2 Question 7 : The only pair of consecutive prime numbers is _____ . Ans 7 2 and 3 Question 8 : The year 1936 was a perfect square. Find the next such year   Ans 7  (a) 2036 (b) 2025 (c) 2016 (d) 2000   Ans 8   (b) 2025

Derivation of Quadratic Formulae or Completing the Square Method LINK HERE FOR THE COMPLETE TUTORIAL  CLICK HERE OR http://www.youtube.com/watch?v=ln0xTt35WSQ&feature=plcp