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A two digit number is obtained by either...

A two digit number is obtained by either multiplying the sum of the digits by 8 and adding 1, or by multiplying the difference of the digits by 13 and adding 2.Find the number? How many such nos are there.?

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The correct Answer is:
41
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NAGEEN PRAKASHAN-LINEAR EQUATIONS IN TWO VARIABLES -Exercise 3e
  1. The sum of the digits of a two digit number is 10. If 18 is subtracted...

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  2. In a two digit number, the units digit is twice the tens digit. If 27 ...

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  3. A two digit number is obtained by either multiplying the sum of the di...

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  4. Seven times a two-digit number is equal to four times the number ob...

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  5. A fraction becomes 4/5, if 1 is added to both numerator and denomin...

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  6. A fraction is such that if the numerator is multiplied by 3 and the ...

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  7. If the denominator of a fraction is added to its numerator and the nu...

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  8. 4 chairs and 3 tables cost Rs 2100 and 5 chairs and 2 tables cost R...

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  9. The cost of 3 oranges and 12 apples is Rs. 9.60 and the cost of 5 oran...

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  10. From Delhi station if we buy 2 tickets to station A and 3 tickets to s...

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  11. A railway half ticket costs half the full fare and the reservation cha...

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  12. Point A and B are 90 km apart from each other on a highway. A car s...

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  13. in the triangle ABC , /A=x^@,/B=3x^@,/C=y^@. if 3y-5x=30 then prove th...

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  14. In a DeltaABC, angleA = x^(@), angleB = (3x - 2)^(@), also angleC - an...

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  15. The largest angle of a triangle is twice the sum of the other two. The...

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  16. In a cyclic quadrilateral A B C D , /A=(2x+4)o,\ \ /B=(y+3)o,\ \ /C...

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  17. If in a rectangle, the length is increased by 2 units and breadth is r...

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  18. The perimeter of a rectangle plot is 32 metres. If the length is incre...

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  19. The area of a rectangle remains the same if the length is increased...

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  20. A man went to a Bank with Rs. 1000. He asked the cashier to give him R...

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