Advertisements
Advertisements
प्रश्न
Anamika thought of a number. She multiplied it by 2, added 5 to the product and obtained 17 as the result. What is the number she had thought of?
उत्तर
Let x be the number thought by Anamika
if she multiplied it by 2, then the number will be 2x
Also, added 5 to it and obtained 17 as the result
∴ 2x + 5 = 17
⇒ 2x = 17 – 5 ......[Transposing 5 to RHS]
⇒ x = `12/2` = 6
Hence, the number 6 is thought by Anamika.
APPEARS IN
संबंधित प्रश्न
Set up equation and solve them to find the unknown number in the following case:
Anwar thinks of a number. If he takes away 7 from `5/2` of the number, the result is 23.
Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. What is Laxmi’s age?
In a test Abha gets twice the marks as that of Palak. Two times Abha's marks and three times Palak's marks make 280.
Marks obtained by Abha are ______.
In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then
The worth of x coins of ₹ 2 each ______.
In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then
There are ______ 5 rupee coins and ______ 2 rupee coins.
In a Mathematics quiz, 30 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2000 and ₹ 1000, respectively. If the total prize money is ₹ 52,000 then show that:
The number of 1st prizes are ______ and the number of 2nd prizes are ______.
Six times a number is 10 more than the number.
In a family, the consumption of wheat is 4 times that of rice. The total consumption of the two cereals is 80 kg. Find the quantities of rice and wheat consumed in the family.
One of the two numbers is twice the other. The sum of the numbers is 12. Find the numbers.
A man travelled two fifth of his journey by train, one-third by bus, one-fourth by car and the remaining 3 km on foot. What is the length of his total journey?
