Home - Ask TrueMaths!

0

deepaksoniGuru

Asked: March 11, 2021In: ICSE

A man observes the angles of elevation of the top of a building to be 300. He walks towards it in a horizontal line through its base. On covering 60 m the angle of elevation changes to 600. Find the height of the building correct to the nearest decimal place.

0

sir this is the important question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

0

deepaksoniGuru

Asked: March 15, 2021In: ICSE

(i) (1 + sin A)/ cos A + cos A/ (1 + sin A) = 2 sec A (ii) tan A/ (sec A – 1) + tan A/ (sec A + 1) = 2cosec A

0

This is an important question taken from the Book Book- ML Aggarwal Board- ICSE Publication- Avichal Chapter- Trigonometric Identities Chapter ...Read more

0

deepaksoniGuru

Asked: March 16, 2021In: ICSE

Sum of two natural numbers is 8 and the difference of their reciprocal is 2/15. Find the numbers.

0

This ques has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise ...Read more

0

deepaksoniGuru

Asked: March 16, 2021In: ICSE

A shopkeeper buys a certain number of books for Rs 960. If the cost per book was Rs 8 less, the number of books that could be bought for Rs 960 would be 4 more. Taking the original cost of each book to be Rs x, write an equation in x and solve it to find the original cost of each book.

0

This question has been taken from Book:- ML aggarwal, Avichal publication, class10th, quadratic equation in one variable, chapter 5, exercise ...Read more

0

deepaksoniGuru

Asked: March 18, 2021In: ICSE

If a, 12, 16 and b are in continued proportion find a and b.

0

This is an important ques from the Book ML Aggarwal class 10th,, chapter – 7, ratio and proportion. In this question ...Read more

0

deepaksoniGuru

Asked: March 19, 2021In: ICSE

Give x³+12x/(6x²+8) =(y³+27y/9y²+27). Using componendo and dividendo find x : y.

0

exam oriented an important question from ML aggarwal, class 10th, chapter 7, ratio and proportion, Avichal publication This question has been ...Read more

0

deepaksoniGuru

Asked: April 1, 2021In: ICSE

Question 5. Two circles of radii 5 cm and 2-8 cm touch each other. Find the distance between their centres if they touch : (i) externally (ii) internally.

0

This is the basic and conceptual question from Chapter name- circles Topic – Angle properties of circles Chapter number- 15Read more

Share & grow the world's knowledge!

Discy Latest Questions

A man observes the angles of elevation of the top of a building to be 300. He walks towards it in a horizontal line through its base. On covering 60 m the angle of elevation changes to 600. Find the height of the building correct to the nearest decimal place.

(i) (1 + sin A)/ cos A + cos A/ (1 + sin A) = 2 sec A (ii) tan A/ (sec A – 1) + tan A/ (sec A + 1) = 2cosec A

Sum of two natural numbers is 8 and the difference of their reciprocal is 2/15. Find the numbers.

A shopkeeper buys a certain number of books for Rs 960. If the cost per book was Rs 8 less, the number of books that could be bought for Rs 960 would be 4 more. Taking the original cost of each book to be Rs x, write an equation in x and solve it to find the original cost of each book.

If a, 12, 16 and b are in continued proportion find a and b.

Give x³+12x/(6x²+8) =(y³+27y/9y²+27). Using componendo and dividendo find x : y.

Question 5. Two circles of radii 5 cm and 2-8 cm touch each other. Find the distance between their centres if they touch : (i) externally (ii) internally.