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Cost of 8pencils, 5pens and 3erasers is ...

Cost of 8pencils, 5pens and 3erasers is rs.111. Cost of 9pencil, 6pens and 5eraser is rs. 130. Cost of 16pencils, 11pens and 3erasers is rs.221. what is the cost of 39pencil, 26pen and 13 erasers.

A

316

B

546

C

624

D

482

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Cost of 8 pencils, 5 pens and 3 erasers is Rs 111. Cost of 9 pencils, 6 pens and 5 erasers is Rs 130. Cost of 16 pencils, 11 pens and 3 erasers is Rs 221. What is the cost (in Rs) of 39 pencils, 26 pens and 13 erasers?

If the cost of 2 pencils and 3 erasers is Rs 14. Wheras the cost of 3 pencils and 5 erasers is Rs 22, then find the cost of one pencil and one eraser

Cost of two pencils and three erasers is ₹ 18, while the cost of one pencil and two erasers is ₹ 11. Find the cost of each pencil.

If 15 pens cost Rs. 35, what is the cost of 39 pens?

Cost of 4 pen, 6 note books and 9 files is Rs. 305. Cost of 3 pens,4 notebooks and 2 files is Rs. 145. What is the cost (in Rs) of 5 pens, 8 notebooks and 16 files?

The cost of 4 dozen pencils, 3 dozen pens and 2 dozen erasers is Rs. 60. The cost of 2 dozen pencils, 4 dozen pens and 6 dozen erasers is Rs. 90 whereas the cost of 6 dozen pencils, 2 dozen pens and 3 dozen erasers is Rs. 70. Find the cost of each item per dozen by using matrices.

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Cost of 4 pens, 6 note books and 9 files is Rs 305. Cost of 3 pens, 4 notebooks and 2 files is Rs 145. What is the cost (in Rs) of 5 pens, 8 notebooks and 16 files?

CHAMPION PUBLICATION-2017 TIER-II PAPER(11)-EXERCISE
  1. If a + b + c = 9, ab + bc + ca = 26 , a^(3) + b^(3) = 91 , b^(3) + ...

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  2. If x^(3) - 4 x ^(2) + 19 = 6 ( x - 1) then what is the value of [...

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  3. Cost of 8pencils, 5pens and 3erasers is rs.111. Cost of 9pencil, 6pens...

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  4. If 2 x + 3y - 5 z = 18 , 3 x + 2y + z = 29 and x + y + 3z = 17 then ...

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  5. PQR is an equllateral triangle whose side is 10 cm. What is the value ...

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  6. What is the area (in cm^2) of the circumcircle of a triangle whose sid...

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  7. In the given figure, MNOP is a parallelogram. PM is extended to Z. OZ ...

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  8. ABCD is a trapezium in which AB is parallel to CD and AB = 4 (CD). The...

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  9. In the given figure, ABC is an equilateral triangle. Two circles of ra...

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  10. In the given figure, SX is tangent. SX = OX = OR. If QX = 3cm and PQ =...

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  11. PAB and PCD are two secants to a circle. If PA = 10 cm, AB = 12 cm and...

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  12. Triangle PQR is inscribed in a circle such that P Q and R lie on the c...

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  13. In the given figure, angleQRU=72^(@) angleTRS=15^(@)andPSR=95^(@) then...

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  14. What can be the maximum number of common tangent which can be drawn to...

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  15. Triangle PQR is inscribed in the circle whose radius is 14 cm. If PQ i...

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  16. PQR is a right angled triangle in which PQ = QR. If the hypotenuse of ...

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  17. PQRS is a square whose side is 20 cm. By joining opposite vertices of ...

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  18. If ABCDEF is a regular hexagon, then what is the value (in degrees) of...

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  19. ABCD is square and CDE is an equilateral triangle outside the square. ...

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  20. There is a circular garden of radius 21 metres. A path of width 3.5 me...

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