Q) In a workshop, the number of teachers of English, Hindi and Science are 36, 60 and 84 respectively. Find the minimum number of rooms required, if in each room the same number of teachers are to be seated and all of them being of the same subject. Q27 – Sample Question Paper – Set […]
real numbers
Q) A 2-digit number is seven times the sum of its digits and two (2) more than 5 times the product of its digits. Find the number. PYQ: 32 (a) – CBSE 2025 – Code 30 – Series 5 – Set 1 Ans: Step 1: Let’s consider the 2-digits of the number are a and
Q) State true or false for each of the following statements and justify in each case:(i) 2 x 3 x 5 x 7 + 7 is a composite number.(ii) 2 x 3 x 5 x 7 + 1 is a composite number. PYQ: Q 26(b) – CBSE 2025 – Code 30 – Series 5 – Set
Q) Read the following text carefully and answer the questions that follow: Lokesh, a production manager in Mumbai, hires a taxi everyday to go to his office. The taxi charges in Mumbai consists of a fixed charges together with the charges for the distance covered. His office is at a distance of 10 km from his
Q) Write the smallest number which is divisible by both 306 and 657. Ans: (Note: Here, it is important to understand that since we need to find a number which is divisible by given 2 numbers, then it has to be a multiple of these given numbers, not a factor. Why? Because, factor will always
Write the smallest number which is divisible by both 306 and 657. Read More »
Q) A part of monthly hostel charges is fixed and the remaining depends on the number of days one has taken food in the mess. When a student A takes food for 20 days, she has to pay Rs. 1,500 as hostel charges while another student B, who takes food for 26 days, pays Rs.
Q) A Mathematics Exhibition is being conducted in your School and one of your friends is making a model of a factor tree. He has some difficulty and asks for your help in completing a quiz for the audience. Observe the following factor tree and answer the following: 1. What will be the value of
Q) A seminar is being conducted by an Educational Organisation, where the participants will be educators of different subjects. The number of participants in Hindi, English and Mathematics are 60, 84 and 108 respectively. 1. In each room the same number of participants are to be seated and all of them being in the same
Q) To enhance the reading skills of grade X students, the school nominates you and two of your friends to set up a class library. There are two sections- section A and section B of grade X. There are 32 students in section A and 36 students in section B. 1. What is the minimum number
Q) Prove that (√2 + √3)2 is an irrational number, given that √6 is an irrational number. Ans: STEP BY STEP SOLUTION Let’s start by considering (√2 + √3)2 is a rational number (by the method of contradiction) If (√2 + √3)2 is a rational number, then it can be expressed in the form of ,
Prove that (√2 + √3)2 is an irrational number, given that √6 is an irrational number. Read More »