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Q)Â Amit is planning to buy a house and the layout is given below. The design and the measurement has been made such that areas of two bedrooms and kitchen together is 95 sq.m. Based on the above information, answer the following questions: 1. Form the pair of linear equations in two variables from this situation. […]
pair of linear equations
Q) Architect : An architect is a skilled professional who plans and designs buildings and generally plays a key role in their construction. Architects are highly trained in the art and science of building design. Since they bear responsibility for the safety of their buildings’ occupants, architects must be professionally licensed. Varsha is a licensed
Architect : An architect is a skilled professional who plans and designs buildings 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 test consists of ‘True’ or ‘False’ questions. One mark is awarded for every correct answer while 1/4 mark is deducted for every wrong answer. A student knew answers to some of the questions. Rest of the questions he attempted by guessing. He answered 120 questions and got 90 marks. 1. If answer to
Q) A 2-digit number is such that the product of its digits is 18. When 63 is subtracted from the number, the digits interchange their places. Find the number. Ans: Step 1: Let’s consider X and Y are the digits of the given number. Hence the given number is 10 X + Y ∴ the
A 2-digit number is such that the product of its digits is 18. When 63 is subtracted Read More »
Q) Rehana went to a bank to withdraw Rs. 2,000. She asked the cashier to give her Rs. 50 and Rs. 100 notes only. Rehana got 25 notes in all. Find how many notes of Rs. 50 and Rs. 100 did she receive. Ans:Â Let’s consider Notes of Rs. 50 = X and Notes of
Rehana went to a bank to withdraw Rs. 2,000. She asked the cashier to give her Read More »
Q) Essel World is one of India’s largest amusement parks that offers a diverse range of thrilling rides, water attractions and entertainment options for visitors of all ages. The park is known for its iconic ‘‘Water Kingdom’’ section, making it a popular destination for family outings and fun-filled adventure. The ticket charges for the park are
Q) Places A and B are 180 km apart on a highway. One car starts from A and another from B at the same time. If the car travels in the same direction at different speeds, they meet in 9 hours. If they travel towards each other with the same speeds as before, they meet
Places A and B are 180 km apart on a highway. One car starts from A and another Read More »
Q) If 2x + y = 13 and 4x – y = 17, find the value of (x – y). Ans: We are given the following equations:2 x + y = 13 …. (i)4 x – y = 17 …. (ii) Step 1: To calculate values of x and y, let’s add both the equations:
If 2x + y = 13 and 4x – y = 17, find the value of (x – y). Read More »
Q) Can the number (8n), n being a natural number, end with the digit 0 ? Ans:Â For any number to end with the digit 0, it will be divisible by 10 Since 10 = 2 x 5, therefore, a number ending with digit 0 will be divisible by 2 and 5 both. Next, since
Can the number (8n), n being a natural number, end with the digit 0? Give reasons. Read More »