Maths by Umesh sir

अस्तित्व का केंद्र - जीवन है।
जीवन का केंद्र - मन है।
मन का केंद्र - चेतना है।
और चेतना का शिखर - ईश्वर है।

पत्थर से फूल ऊँचा है,
फूल से मनुष्य ऊँचा है,
और मनुष्य से भी ऊँचा वह
जो ध्यान और शांति को उपलब्ध गया है।

शांति अंत नहीं है,
शांति द्वार है।
उस द्वार के पार आनंद है,
नृत्य है, परमात्मा है।
Umesh Chakraborty Maths

राजनीतिक सोच की इस क़दर शिकार है जनता,
सवाल करो सरकार से तो चिढ़ जाती है जनता।
__ Umesh Chakraborty Maths

The given data shows the number of chairs and tables sold in the four different shops such as A, B, C and D. Number of tables sold in shop A is x and the number of chairs sold in shop A is y. Number of tables sold in shop B is (x - 20). Number of chairs sold in shop A is 70% of the number of chairs sold in shop B. Number of tables sold in shop C is (x - 40). Number of tables sold in shop D is 60% of tables sold in shop A. Number of chairs sold in shop C is 80% of chairs sold in shop B. Number of chairs sold in shop D is 75% of the chairs sold in shop C. Total tables sold in all the shops is 170 more than total chairs sold in all the
shops.
Note: x + y = 220

1.
If the price of each table in shop A is Rs. a and the price of each chair is Rs. (a + 100) and the total revenue generated by selling all the chairs and tables in shop A is Rs. 73000. Find the value of a.

a) 310
b) 320
c) 350
d) 300
e) 360
2.
If 3/5th and 4/11th of the tables sold in shop A and C respectively are at discount also 3/7th and 1/2 of the chairs sold in shop A and C respectively are sold at the discount. Find the total number of chairs and tables sold at discount in shop A and C.
a) 260
b) 230
c) 200
d) 220
e) 250
3.
If the number of tables sold in shop D is increased by b%,
then the ratio between the number of tables sold in shop
D to the number of chairs sold in shop D is 2:1. Then find
the value of b
a) 50%
b) 25%
c) 33.33%
d) 20%
e) 30%
4.Number of chairs sold in shop B and C has increased by
20% and 25% respectively. Then find the ratio between
the chairs sold in shop B and C to the tables sold in shop
C and D
a) 13:19
b) 12:13
c) 11:15
d) 11:10
e) 19: 17
Number of tables sold in shop E is 25 more than the
average number of tables sold in shop A and B and the
number of chairs sold in shop E is 35 more than the
average number of chairs sold in shop A and D. Find the
total number of tables and chairs sold in the shop E.
225
335
245
265
255

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Quadratic equation part 3 for mains exam.. banking mains exam. केवल मैन्स के विद्यार्थियों के लिए| ...

In an examination, Ram, Mohan and Raj scored 28%, 36% and 53% marks respectively. Out of these three candidates, two passed the exam, and out of these two, one passed with 33 marks more than the pass marks, while Ram failed by 17 marks. Find the pass marks.

(a) 73

(b) 192

(c) 112

(d) Can’t be determined

(e) None of these

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