00647nam a22002177a 4500 20231004123921.0 231004b ||||| |||| 00| 0 eng d 9789391166250 IN-DiNC IN-DiNC eng 513 KHA Khanna, S author Objective arithmetic @ your fingertips: for all competitive examinations/ by S Khanna, Manjeet Singh and R S Sethi 1st imp. New Delhi: Global net publications, 2022. 480p. Number system Singh, Manjeet author Sethi, R S author ddc BK 11686 11686 0 0 ddc 0 0 GEN MAIN MAIN GEN 2023-10-04 425.00 0 513 KHA 29398 2023-10-04 00:00:00 1 2023-10-04 BK